M:tG card similarity search
2U · World Enchantment
Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Spellshock | 2R | Enchantment | Whenever a player casts a spell, Spellshock deals 2 damage to that player. |
| Nullstone Gargoyle | 9 | Artifact Creature — Gargoyle | Flying Whenever the first noncreature spell of a turn is cast, counter that spell. 4/5 |
| Putrefaction | 4B | Enchantment | Whenever a player casts a green or white spell, that player discards a card. |
| Throne of Bone | 1 | Artifact | Whenever a player casts a black spell, you may pay {1}. If you do, you gain 1 life. |
| Venerable Warsinger | 1RW | Creature — Spirit Cleric | Vigilance, trample Whenever Venerable Warsinger deals combat damage to a player, you may return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of damage Venerable Warsinger dealt to that player. 3/3 |
| River Song's Diary | 3 | Artifact | Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost. |
| Firemind's Foresight | 5UR | Instant | Search your library for an instant card with mana value 3, reveal it, and put it into your hand. Then repeat this process for instant cards with mana values 2 and 1. Then shuffle. |
| Aisha of Sparks and Smoke | 1RR | Legendary Creature — Human Warrior | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {R/W}: Aisha of Sparks and Smoke gains first strike until end of turn. Whenever Aisha deals combat damage, you may cast a sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost. 4/2 |
| Force of Will | 3UU | Instant | You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell. |
| Codie, Vociferous Codex | 3 | Legendary Artifact Creature — Construct | You can't cast permanent spells. {4}, {T}: Add {W}{U}{B}{R}{G}. When you next cast a spell this turn, exile cards from the top of your library until you exile an instant or sorcery card with lesser mana value. Until end of turn, you may cast that card without paying its mana cost. Put each other card exiled this way on the bottom of your library in a random order. 1/4 |