M:tG card similarity search
3U · Instant — Trap
If three or more creatures are attacking, you may pay {U} rather than pay this spell's mana cost. Attacking creatures get -3/-0 until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Sunken City | UU | Enchantment | At the beginning of your upkeep, sacrifice Sunken City unless you pay {U}{U}. Blue creatures get +1/+1. |
| Ethereal Valkyrie | 4WU | Creature — Spirit Angel | Flying Whenever Ethereal Valkyrie enters the battlefield or attacks, draw a card, then exile a card from your hand face down. It becomes foretold. Its foretell cost is its mana cost reduced by {2}. (On a later turn, you may cast it for its foretell cost, even if this creature has left the battlefield.) 4/4 |
| Wondrous Crucible | 7 | Artifact | Permanents you control have ward {2}. At the beginning of your end step, mill two cards, then exile a nonland card at random from your graveyard. Copy it. You may cast the copy without paying its mana cost. (A copy of a permanent spell becomes a token.) |
| Lisette, Dean of the Root | 2GG | Legendary Creature — Human Druid | Whenever you gain life, you may pay {1}. If you do, put a +1/+1 counter on each creature you control and those creatures gain trample until end of turn. 4/4 |
| Sword-Point Diplomacy | 2B | Sorcery | Reveal the top three cards of your library. For each of those cards, put that card into your hand unless any opponent pays 3 life. Then exile the rest. |
| Ego Erasure | 2U | Tribal Instant — Shapeshifter | Changeling (This card is every creature type.) Creatures target player controls get -2/-0 and lose all creature types until end of turn. |
| Werewolf Lightning Mage | Stickers | {TK}{TK} — Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on this permanent. {TK}{TK}{TK}{TK} — Whenever a creature blocks this creature, that creature gets -4/-4 until end of turn. {TK}{TK} — 4/1 {TK}{TK}{TK} — 3/5 | |
| Oracle's Vault | 4 | Artifact | {2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault. {T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault. |
| Assassin's Blade | 1B | Instant | Cast this spell only during the declare attackers step and only if you've been attacked this step. Destroy target nonblack attacking creature. |
| Martial Impetus | 2W | Enchantment — Aura | Enchant creature Enchanted creature gets +1/+1 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, each other creature that's attacking one of your opponents gets +1/+1 until end of turn. |