M:tG card similarity search
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.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Alter Reality | 1U | Instant | Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Feather, Radiant Arbiter | RWW | Legendary Creature — Angel | Flying, lifelink Whenever you cast a noncreature spell that targets only Feather, Radiant Arbiter, you may choose any number of other creatures that spell could target and pay {2} for each of those creatures. If you do, for each of those creatures, copy that spell. The copy targets that creature. (Copies of permanent spells become tokens.) 4/3 |
| Avian Oddity | 3U | Creature — Bird | Flying Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.) When you cycle Avian Oddity, put a flying counter on target creature you control. 2/4 |
| Chained Throatseeker | 5U | Creature — Phyrexian Horror | Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Chained Throatseeker can't attack unless defending player is poisoned. 5/5 |
| Goblin Cohort | R | Creature — Goblin Warrior | Goblin Cohort can't attack unless you've cast a creature spell this turn. 2/2 |
| Heat Wave | 2R | Enchantment | Cumulative upkeep {R} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Blue creatures can't block creatures you control. Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control. |
| Baleful Mastery | 3B | Instant | You may pay {1}{B} rather than pay this spell's mana cost. If the {1}{B} cost was paid, an opponent draws a card. Exile target creature or planeswalker. |
| Unifying Theory | 1U | Enchantment | Whenever a player casts a spell, that player may pay {2}. If the player does, they draw a card. |
| Jodah, Archmage Eternal | 1URW | Legendary Creature — Human Wizard | Flying You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast. 4/3 |
| Megatherium | 2G | Creature — Beast | Trample When Megatherium enters the battlefield, sacrifice it unless you pay {1} for each card in your hand. 4/4 |