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 |
|---|---|---|---|
| Ertai's Meddling | XU | Instant | X can't be 0. Target spell's controller exiles it with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell. |
| Kari Zev's Expertise | 1RR | Sorcery | Gain control of target creature or Vehicle until end of turn. Untap it. It gains haste until end of turn. You may cast a spell with mana value 2 or less from your hand without paying its mana cost. |
| Tasha's Hideous Laughter | 1UU | Sorcery | Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more. |
| Shell of the Last Kappa | 3 | Legendary Artifact | {3}, {T}: Exile target instant or sorcery spell that targets you. (The spell has no effect.) {3}, {T}, Sacrifice Shell of the Last Kappa: You may cast a spell from among cards exiled with Shell of the Last Kappa without paying its mana cost. |
| Malevolent Hermit | 1U | Creature — Human Wizard | {U}, Sacrifice Malevolent Hermit: Counter target noncreature spell unless its controller pays {3}. Disturb {2}{U} (You may cast this card from your graveyard transformed for its disturb cost.) 2/1 |
| Spell Stutter | 1U | Instant | Counter target spell unless its controller pays {2} plus an additional {1} for each Faerie you control. |
| Mindclaw Shaman | 4R | Creature — Viashino Shaman | When Mindclaw Shaman enters the battlefield, target opponent reveals their hand. You may cast an instant or sorcery spell from among those cards without paying its mana cost. 2/2 |
| Oracle of Bones | 2RR | Creature — Minotaur Shaman | Haste Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.) When Oracle of Bones enters the battlefield, if tribute wasn't paid, you may cast an instant or sorcery spell from your hand without paying its mana cost. 3/1 |
| Double Down | 3U | Enchantment | Whenever you cast an outlaw spell, copy that spell. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws. Copies of permanent spells become tokens.) |
| Lightning Cloud | 3R | Enchantment | Whenever a player casts a red spell, you may pay {R}. If you do, Lightning Cloud deals 1 damage to any target. |