M:tG card similarity search
1UU · Instant
Choose one — • Counter all other spells. • Switch each creature's power and toughness until end of turn. • Creatures can't be blocked this turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Serenity | 1W | Enchantment | At the beginning of your upkeep, destroy all artifacts and enchantments. They can't be regenerated. |
| Assault Formation | 1G | Enchantment | Each creature you control assigns combat damage equal to its toughness rather than its power. {G}: Target creature with defender can attack this turn as though it didn't have defender. {2}{G}: Creatures you control get +0/+1 until end of turn. |
| Ertai's Meddling | XU | Instant | X can't be 0. Target spell's controller exiles it with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell. |
| Karn, the Great Creator | 4 | Legendary Planeswalker — Karn | Activated abilities of artifacts your opponents control can't be activated. [+1]: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. [−2]: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand. Loyalty 5 |
| Commence the Endgame | 4UU | Instant | This spell can't be countered. Draw two cards, then amass Zombies X, where X is the number of cards in your hand. (Put X +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) |
| Stubborn Denial | U | Instant | Counter target noncreature spell unless its controller pays {1}. Ferocious — If you control a creature with power 4 or greater, counter that spell instead. |
| Heat Stroke | 2R | Enchantment | At end of combat, destroy each creature that blocked or was blocked this turn. |
| Gemini Engine | 6 | Artifact Creature — Construct | Whenever Gemini Engine attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to Gemini Engine's power and its toughness is equal to Gemini Engine's toughness. Sacrifice the token at end of combat. 3/4 |
| Plague Rats | 2B | Creature — Rat | Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield. */* |
| Qal Sisma Behemoth | 2R | Creature — Ogre Warrior | Qal Sisma Behemoth can't attack or block unless you pay {2}. 5/5 |