M:tG card similarity search
2UU · Instant — Trap
If an opponent had a green creature enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost. Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
| Name | Mana | Type | Text |
|---|---|---|---|
| Alarum | 1W | Instant | Untap target nonattacking creature. It gets +1/+3 until end of turn. |
| Eater of Days | 4 | Artifact Creature — Leviathan | Flying, trample When Eater of Days enters the battlefield, you skip your next two turns. 9/8 |
| Cadric, Soul Kindler | 2RW | Legendary Creature — Dwarf Wizard | The "legend rule" doesn't apply to tokens you control. Whenever another nontoken legendary permanent enters the battlefield under your control, you may pay {1}. If you do, create a token that's a copy of it. That token gains haste. Sacrifice it at the beginning of the next end step. 4/3 |
| Killing Wave | XB | Sorcery | For each creature, its controller sacrifices it unless they pay X life. |
| Planeswalker's Mischief | 2U | Enchantment | {3}{U}: Target opponent reveals a card at random from their hand. If it's an instant or sorcery card, exile it. You may cast it without paying its mana cost for as long as it remains exiled. At the beginning of the next end step, if you haven't cast it, return it to its owner's hand. Activate only as a sorcery. |
| Thriving Rats | 1B | Creature — Rat | When Thriving Rats enters the battlefield, you get {E}{E} (two energy counters). Whenever Thriving Rats attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it. 1/2 |
| Escape Protocol | 1U | Enchantment | Whenever you cycle a card, you may pay {1}. When you do, exile target artifact or creature you control, then return it to the battlefield under its owner's control. |
| Rhystic Study | 2U | Enchantment | Whenever an opponent casts a spell, you may draw a card unless that player pays {1}. |
| Lullmage Mentor | 1UU | Creature — Merfolk Wizard | Whenever a spell or ability you control counters a spell, you may create a 1/1 blue Merfolk creature token. Tap seven untapped Merfolk you control: Counter target spell. 2/2 |
| Hidetsugu and Kairi | 2UUB | Legendary Creature — Ogre Demon Dragon | Flying When Hidetsugu and Kairi enters the battlefield, draw three cards, then put two cards from your hand on top of your library in any order. When Hidetsugu and Kairi dies, exile the top card of your library. Target opponent loses life equal to its mana value. If it's an instant or sorcery card, you may cast it without paying its mana cost. 5/4 |