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 |
|---|---|---|---|
| Passionate Archaeologist | 1R | Legendary Enchantment — Background | Commander creatures you own have "Whenever you cast a spell from exile, this creature deals damage equal to that spell's mana value to target opponent." |
| Zaxara, the Exemplary | 1BGU | Legendary Creature — Nightmare Hydra | Deathtouch {T}: Add two mana of any one color. Whenever you cast a spell with {X} in its mana cost, create a 0/0 green Hydra creature token, then put X +1/+1 counters on it. 2/3 |
| Rod of Absorption | 2U | Artifact | Whenever a player casts an instant or sorcery spell, exile it instead of putting it into a graveyard as it resolves. {X}, {T}, Sacrifice Rod of Absorption: You may cast any number of spells from among cards exiled with Rod of Absorption with total mana value X or less without paying their mana costs. |
| Living Armor | 4 | Artifact | {T}, Sacrifice Living Armor: Put X +0/+1 counters on target creature, where X is that creature's mana value. |
| Spell Shrivel | 2U | Instant | Devoid (This card has no color.) Counter target spell unless its controller pays {4}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. |
| Stubborn Denial | U | Instant | Counter target noncreature spell unless its controller pays {1}. Ferocious — If you control a creature with power 4 or greater, counter that spell instead. |
| Chandra's Embercat | 1R | Creature — Elemental Cat | {T}: Add {R}. Spend this mana only to cast an Elemental spell or a Chandra planeswalker spell. 2/2 |
| Aether Sting | 3R | Enchantment | Whenever an opponent casts a creature spell, Aether Sting deals 1 damage to that player. |
| Insight | 2U | Enchantment | Whenever an opponent casts a green spell, you draw a card. |
| Boreal Outrider | 2G | Snow Creature — Elf Warrior | Whenever you cast a creature spell, if {S} of any of that spell's colors was spent to cast it, that creature enters the battlefield with an additional +1/+1 counter on it. ({S} is mana from a snow source.) 3/2 |