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 |
|---|---|---|---|
| Blazing Shoal | XRR | Instant — Arcane | You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn. |
| Chill | 1U | Enchantment | Red spells cost {2} more to cast. |
| Inexorable Tide | 3UU | Enchantment | Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) |
| Spelljack | 3UUU | Instant | Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may play it without paying its mana cost for as long as it remains exiled. (If it has X in its mana cost, X is 0.) |
| Song of the Worldsoul | 4WW | Enchantment | Whenever you cast a spell, populate. (Create a token that's a copy of a creature token you control.) |
| Broken Ambitions | XU | Instant | Counter target spell unless its controller pays {X}. Clash with an opponent. If you win, that spell's controller mills four cards. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) |
| Mold Adder | G | Creature — Fungus Snake | Whenever an opponent casts a blue or black spell, you may put a +1/+1 counter on Mold Adder. 1/1 |
| Seedtime | 1G | Instant | Cast this spell only during your turn. Take an extra turn after this one if an opponent cast a blue spell this turn. |
| Kraken's Eye | 2 | Artifact | Whenever a player casts a blue spell, you may gain 1 life. |
| Bolas's Citadel | 3BBB | Legendary Artifact | You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life. |