Mutate and Summoning Sickness: A Comprehensive Guide
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The short answer is no, mutate doesn’t inherently give a creature summoning sickness. The mutated creature’s ability to attack or use tap abilities is determined solely by whether the base creature, the one already on the battlefield before the mutate spell resolves, had summoning sickness. If the base creature was already on the battlefield since the beginning of your most recent turn, then the resulting mutated creature can attack and use tap abilities as normal. If the base creature was just played, then the resulting mutated creature will have summoning sickness until your next turn.
Mutate introduces a fascinating layer of complexity to Magic: The Gathering (MTG), altering how creatures interact and inherit abilities. Understanding how mutate interacts with summoning sickness is crucial for effective deck building and gameplay. This article delves deep into the intricacies of mutate and its relationship with summoning sickness, offering a comprehensive guide for players of all levels.
Understanding Summoning Sickness
Summoning sickness is a game rule that prevents a creature from attacking or activating abilities with the tap symbol when it first enters the battlefield under your control. This restriction only applies to creatures; other permanents like artifacts, enchantments, and lands are not affected by summoning sickness unless they become creatures. A creature is considered to have summoning sickness until the beginning of your next turn after it came under your control.
The Mutate Mechanic Explained
Mutate is a keyword ability introduced in the Ikoria: Lair of Behemoths set. It allows you to cast a creature spell for its mutate cost, targeting a non-Human creature you control. When the mutate spell resolves, it merges with the target creature, forming a single creature. You choose whether the new creature spell goes on top or underneath the existing creature. The top card determines the name, mana cost, color identity, power, and toughness of the mutated creature, while all abilities from both cards are combined.
Summoning Sickness and Mutated Creatures
The key to understanding how mutate interacts with summoning sickness lies in the state of the base creature before the mutate spell resolves. Here’s the breakdown:
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Base creature did not have summoning sickness: If the target creature you are mutating onto has been on the battlefield since the beginning of your most recent turn, the resulting mutated creature can attack and use tap abilities as normal. It inherits the “ready-to-go” status of the base creature.
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Base creature did have summoning sickness: If the target creature you are mutating onto has summoning sickness, the resulting mutated creature will also have summoning sickness. It is effectively the same creature, just with added characteristics.
Frequently Asked Questions (FAQs) About Mutate and Summoning Sickness
Here are 15 frequently asked questions to further clarify the mechanics of mutate and its interaction with summoning sickness:
1. Does turning a card face up (morphing) give a creature summoning sickness?
No, unless the creature already had it. Turning a card face up changes its characteristics, similar to how a spell like Giant Growth affects a creature. It doesn’t inherently impose summoning sickness.
2. Does mutate still count as casting a creature?
Yes. A creature card cast for its mutate cost is still a creature spell. This is crucial for triggering abilities that care about creature spells being cast.
3. Can I use the mutate ability if I bring a creature card from my graveyard or library to the battlefield?
No. Mutate can only be used when casting the spell. If the creature enters the battlefield through other means, it just enters the battlefield without mutating.
4. What happens if you blink a mutated creature?
All the components return separately to the battlefield as individual creatures. The mutated creature is exiled and then returns as separate permanents.
5. Do mutate triggers stack?
Yes! When you add an additional mutate card on top of a stack of mutate cards, you may get to trigger some or even most of them again. This can lead to powerful chain reactions and value generation.
6. Can mutate be countered?
Yes, mutate can be countered. Because mutate is an alternate casting cost you’re still casting the spell, not activating an ability from your hand. All conventional counterspells work.
7. Does mutate keep creature types?
If you mutate on top, the result is the creature inherits the name, colour, power, and toughness of the mutate creature you cast, while if you mutate onto the bottom, it maintains the previous creature’s instead. All abilities of all the cards in the creature stack persist.
8. Does mutate work with Beast Whisperer?
Yes. Because mutate is a creature spell. When you use mutate, the spell you’re casting is still the original creature spell in every way. It is still a creature spell, of that name, with the CMC of the original card (not the mutate cost). You will draw a card off Beast Whisperer for it.
9. Do mutate triggers count as enters-the-battlefield (ETB) triggers?
No, mutating does not trigger enters-the-battlefield triggers, only mutate triggers. Abilities that trigger “when a creature enters the battlefield” will not trigger when you mutate.
10. Can you mutate the same creature twice?
Yes. You can keep mutating new creature spells onto an existing merged creature, creating a taller and taller stack of abilities. Each mutate will trigger any relevant mutate triggers.
11. What happens if you mutate onto a land?
If you mutate under an animated land, the entire pile stops being a creature when the animation effect wears off. If you put the animated land under another creature, the pile remains a creature.
12. Can you mutate over shroud?
You cannot mutate onto a creature with shroud. Mutate is a targeted ability, which means that shroud creatures can never be the target for it.
13. Does mutate count towards devotion?
A mutated card has a devotion equal to whatever the top card’s mana cost is. Other creatures in the stack don’t contribute to the devotion value.
14. Can you cast mutate from the graveyard?
Yes. Mutate is an alternate casting method, but it still casts the creature card, which can be done from the graveyard via cards that allow you to cast creatures from your graveyard.
15. Does Panharmonicon trigger mutate?
No. Rule 702.139c says “As a mutating creature spell resolves, if its target is legal, it doesn’t enter the battlefield….” Since it’s not really an etb effect, Panharmonicon doesn’t affect it.
Strategic Implications of Mutate and Summoning Sickness
Understanding the interplay between mutate and summoning sickness allows you to make informed decisions when building your deck and planning your moves.
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Planning your mutations: Consider whether the target creature already has summoning sickness before mutating. If you need to attack immediately, ensure you are mutating onto a creature that can attack.
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Stacking abilities: Building a stack of mutate creatures can create a formidable threat, but be mindful of removal spells. If your opponent removes the top creature, all creatures underneath remain, potentially leaving you with a vulnerable creature.
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Synergy with other cards: Mutate can work very well with cards that reward you for casting creature spells, like Beast Whisperer.
Conclusion
Mutate is a unique and powerful mechanic that adds depth and complexity to Magic: The Gathering. While it doesn’t inherently grant summoning sickness, understanding how it interacts with the summoning sickness rule is essential for maximizing its potential. By carefully considering the state of your target creature and planning your mutations strategically, you can leverage the power of mutate to dominate the battlefield.
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