M:tG card similarity search
2 · Artifact
Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Hidden Guerrillas | G | Enchantment | When an opponent casts an artifact spell, if Hidden Guerrillas is an enchantment, Hidden Guerrillas becomes a 5/3 Soldier creature with trample. |
| Reflections of Littjara | 4U | Enchantment | As Reflections of Littjara enters the battlefield, choose a creature type. Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.) |
| Baral and Kari Zev | 1UR | Legendary Creature — Human | First strike, menace Whenever you cast your first instant or sorcery spell each turn, you may cast a spell with lesser mana value that shares a card type with it from your hand without paying its mana cost. If you don't, create First Mate Ragavan, a legendary 2/1 red Monkey Pirate creature token. It gains haste until end of turn. 2/4 |
| Witch-Maw Nephilim | GWUB | Creature — Nephilim | Whenever you cast a spell, you may put two +1/+1 counters on Witch-Maw Nephilim. Whenever Witch-Maw Nephilim attacks, it gains trample until end of turn if its power is 10 or greater. 1/1 |
| Veiled Serpent | 2U | Enchantment | When an opponent casts a spell, if Veiled Serpent is an enchantment, Veiled Serpent becomes a 4/4 Serpent creature with "This creature can't attack unless defending player controls an Island." Cycling {2} ({2}, Discard this card: Draw a card.) |
| 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. |
| Rolling Spoil | 2GG | Sorcery | Destroy target land. If {B} was spent to cast this spell, all creatures get -1/-1 until end of turn. |
| Rally the Troops | W | Instant | Cast this spell only during the declare attackers step and only if you've been attacked this step. Untap all creatures you control. |
| Voldaren Estate | Land | {T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a Vampire spell. {5}, {T}: Create a Blood token. This ability costs {1} less to activate for each Vampire you control. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") | |
| Main Event Horizon | 3WW | Sorcery | As an additional cost to cast this spell, choose A through M or N through Z. Destroy each creature whose name begins with a letter in the chosen range. |