M:tG card similarity search
3UU · Enchantment
Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Havoc | 1R | Enchantment | Whenever an opponent casts a white spell, they lose 2 life. |
| Charix, the Raging Isle | 2UU | Legendary Creature — Leviathan Crab | Spells your opponents cast that target Charix, the Raging Isle cost {2} more to cast. {3}: Charix gets +X/-X until end of turn, where X is the number of Islands you control. 0/17 |
| Rhonas's Monument | 3 | Legendary Artifact | Green creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn. |
| Staff of the Flame Magus | 3 | Artifact | Whenever you cast a red spell or a Mountain enters the battlefield under your control, you gain 1 life. |
| Second Guess | 1U | Instant | Counter target spell that's the second spell cast this turn. |
| Roiling Vortex | 1R | Enchantment | At the beginning of each player's upkeep, Roiling Vortex deals 1 damage to them. Whenever a player casts a spell, if no mana was spent to cast that spell, Roiling Vortex deals 5 damage to that player. {R}: Your opponents can't gain life this turn. |
| Lingering Phantom | 5B | Creature — Spirit | Whenever you cast a historic spell, you may pay {B}. If you do, return Lingering Phantom from your graveyard to your hand. (Artifacts, legendaries, and Sagas are historic.) 5/4 |
| Nocturno of Myra's Marvels | 2BB | Legendary Creature — Vampire Performer | As Nocturno of Myra's Marvels enters the battlefield, choose a word with five or more letters. Whenever you cast a spell with the chosen word in its rules text, you draw a card and you lose 2 life. Partner (You can have two commanders if both have partner.) 2/2 |
| Rage Extractor | 4R/P | Artifact | ({R/P} can be paid with either {R} or 2 life.) Whenever you cast a spell with {P} in its mana cost, Rage Extractor deals damage equal to that spell's mana value to any target. |
| Aether Sting | 3R | Enchantment | Whenever an opponent casts a creature spell, Aether Sting deals 1 damage to that player. |