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 |
|---|---|---|---|
| Ugin's Mastery | 4 | Enchantment | Whenever you cast a colorless creature spell, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Whenever you attack with creatures with total power 6 or greater, you may turn a face-down creature you control face up. |
| Xander's Pact | 4BB | Sorcery | Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell.) Each opponent exiles the top card of their library. You may cast spells from among those cards this turn. If you cast a spell this way, pay life equal to that spell's mana value rather than pay its mana cost. |
| 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." |
| Esper Sentinel | W | Artifact Creature — Human Soldier | Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power. 1/1 |
| Geralf, the Fleshwright | 2U | Legendary Creature — Human Warlock | Whenever you cast a spell during your turn other than your first spell that turn, create a 2/2 blue and black Zombie Rogue creature token. Whenever a Zombie enters the battlefield under your control, put a +1/+1 counter on it for each other Zombie that entered the battlefield under your control this turn. 2/3 |
| Herald of Ilharg | 2RG | Creature — Boar Beast | Trample Whenever you cast a creature spell, put two +1/+1 counters on Herald of Ilharg. If that spell has mana value 5 or greater, Herald of Ilharg deals damage equal to the number of counters on it to each opponent. 3/3 |
| Memory Worm | 1R | Creature — Alien Worm | Paradox — Whenever you cast a spell from anywhere other than your hand, Memory Worm deals 2 damage to target player. That player discards a card, then draws a card. Put a +1/+1 counter on Memory Worm. 1/1 |
| Moonveil Regent | 3R | Creature — Dragon | Flying Whenever you cast a spell, you may discard your hand. If you do, draw a card for each of that spell's colors. When Moonveil Regent dies, it deals X damage to any target, where X is the number of colors among permanents you control. 4/4 |
| Soot Imp | 1BB | Creature — Imp | Flying Whenever a player casts a nonblack spell, that player loses 1 life. 1/2 |
| Familiar's Ruse | UU | Instant | As an additional cost to cast this spell, return a creature you control to its owner's hand. Counter target spell. |