M:tG card similarity search
3R · Instant — Trap
If an opponent cast a blue spell this turn, you may pay {R} rather than pay this spell's mana cost. Change the target of target spell with a single target.
| Name | Mana | Type | Text |
|---|---|---|---|
| Katerina of Myra's Marvels | 2WW | Legendary Creature — Human Performer | As Katerina of Myra's Marvels enters the battlefield, choose a letter. Whenever you cast a spell whose name begins with the chosen letter, create a white 2/2 Cat creature token with flying. Partner (You can have two commanders if they both have partner.) 3/3 |
| Momentous Fall | 2GG | Instant | As an additional cost to cast this spell, sacrifice a creature. You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness. |
| Opal Acrolith | 2W | Enchantment | Whenever an opponent casts a creature spell, if Opal Acrolith is an enchantment, Opal Acrolith becomes a 2/4 Soldier creature. {0}: Opal Acrolith becomes an enchantment. |
| Spellrune Howler | Creature — Werewolf | Whenever you cast an instant or sorcery spell, Spellrune Howler gets +2/+2 until end of turn. Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.) 3/4 | |
| Cindervines | RG | Enchantment | Whenever an opponent casts a noncreature spell, Cindervines deals 1 damage to that player. {1}, Sacrifice Cindervines: Destroy target artifact or enchantment. Cindervines deals 2 damage to that permanent's controller. |
| Festival Crasher | 1R | Creature — Devil | Whenever you cast an instant or sorcery spell, Festival Crasher gets +2/+0 until end of turn. 1/3 |
| Arixmethes, Slumbering Isle | 2GU | Legendary Creature — Kraken | Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it. As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.) Whenever you cast a spell, you may remove a slumber counter from Arixmethes. {T}: Add {G}{U}. 12/12 |
| Giant Ox | 1W | Creature — Ox | Giant Ox crews Vehicles using its toughness rather than its power. 0/6 |
| Thought-String Analyst | UB | Creature — Human Wizard | At the beginning of your upkeep, exile the top card of target opponent's library face down. You lose life equal to its mana value. You may look at and play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. 2/2 |
| Bouncer's Beatdown | 2G | Instant | This spell costs {2} less to cast if it targets a black permanent. Bouncer's Beatdown deals X damage to target creature or planeswalker, where X is the greatest power among creatures you control. If that creature or planeswalker would die this turn, exile it instead. |