M:tG card similarity search
· Legendary Enchantment
Whenever an opponent casts their first spell each turn, counter that spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| 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 |
| Serra Avenger | WW | Creature — Angel | You can't cast this spell during your first, second, or third turns of the game. Flying, vigilance 3/3 |
| Whirlwind of Thought | 1URW | Enchantment | Whenever you cast a noncreature spell, draw a card. |
| Cruel Witness | 2UU | Creature — Bird Horror | Flying Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) 3/3 |
| Oppression | 1BB | Enchantment | Whenever a player casts a spell, that player discards a card. |
| Predatory Hunger | G | Enchantment — Aura | Enchant creature Whenever an opponent casts a creature spell, put a +1/+1 counter on enchanted creature. |
| Taurean Mauler | 2R | Creature — Shapeshifter | Changeling (This card is every creature type.) Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler. 2/2 |
| Memory Erosion | 1UU | Enchantment | Whenever an opponent casts a spell, that player mills two cards. |
| Monologue Tax | 2W | Enchantment | Whenever an opponent casts their second spell each turn, you create a Treasure token. |
| Mystic Remora | U | Enchantment | Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}. |