M:tG card similarity search
UUUU · Enchantment
Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Tome of the Infinite | 2U | Legendary Artifact | {U}, {T}: Conjure a random card from Tome of the Infinite's spellbook into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Valiant Batrider | 2W | Creature — Human Knight | Flying Whenever Valiant Batrider deals combat damage to a player, that player gets a one-time boon with "When you cast a noncreature spell, you may pay {1}. If you don't, each opponent draws a card." 3/3 |
| The Ringhart Crest | 1G | Legendary Artifact | As The Ringhart Crest enters the battlefield, choose a creature type. {T}: Add {G}. Spend this mana only to cast a creature spell of the chosen type or a legendary creature spell. |
| Essence Backlash | 2UR | Instant | Counter target creature spell. Essence Backlash deals damage equal to that spell's power to its controller. |
| Faerie Tauntings | 2B | Tribal Enchantment — Faerie | Whenever you cast a spell during an opponent's turn, you may have each opponent lose 1 life. |
| Pillar of Origins | 2 | Artifact | As Pillar of Origins enters the battlefield, choose a creature type. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type. |
| Brainstealer Dragon | 5BB | Creature — Dragon Horror | Flying At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it. Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value. 6/6 |
| Graven Lore | 3UU | Snow Instant | Scry X, where X is the amount of {S} spent to cast this spell, then draw three cards. ({S} is mana from a snow source.) |
| Titans' Nest | 1BGU | Enchantment | At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Exile a card from your graveyard: Add {C}. Spend this mana only to cast a spell that's one or more colors without {X} in its mana cost. |
| Glimmervoid Basin | Plane — Mirrodin | Whenever a player casts an instant or sorcery spell with a single target, that player copies that spell for each other spell, permanent, card not on the battlefield, and/or player the spell could target. Each copy targets a different one of them. Whenever chaos ensues, choose target creature. Each player except that creature's controller creates a token that's a copy of that creature. |