M:tG card similarity search
3UU · Enchantment
Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. (Mana cost includes color.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Squeaking Pie Sneak | 1B | Creature — Goblin Rogue | As an additional cost to cast this spell, reveal a Goblin card from your hand or pay {3}. Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) 2/2 |
| Neutralizing Blast | 1U | Instant | Counter target multicolored spell. |
| Error | UB | Instant | Counter target multicolored spell. |
| Orim's Chant | W | Instant | Kicker {W} (You may pay an additional {W} as you cast this spell.) Target player can't cast spells this turn. If this spell was kicked, creatures can't attack this turn. |
| Kopala, Warden of Waves | 1UU | Legendary Creature — Merfolk Wizard | Spells your opponents cast that target a Merfolk you control cost {2} more to cast. Abilities your opponents activate that target a Merfolk you control cost {2} more to activate. 2/2 |
| Embersmith | 1R | Creature — Human Artificer | Whenever you cast an artifact spell, you may pay {1}. If you do, Embersmith deals 1 damage to any target. 2/1 |
| Bog Gnarr | 4G | Creature — Beast | Whenever a player casts a black spell, Bog Gnarr gets +2/+2 until end of turn. 2/2 |
| Knowledge Exploitation | 5UU | Tribal Sorcery — Rogue | Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles. |
| Fumarole | 3BR | Sorcery | As an additional cost to cast this spell, pay 3 life. Destroy target creature and target land. |
| Boreal Outrider | 2G | Snow Creature — Elf Warrior | Whenever you cast a creature spell, if {S} of any of that spell's colors was spent to cast it, that creature enters the battlefield with an additional +1/+1 counter on it. ({S} is mana from a snow source.) 3/2 |