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 |
|---|---|---|---|
| Mana Maze | 1U | Enchantment | Players can't cast spells that share a color with the spell most recently cast this turn. |
| Common Courtesy | 2UU | Enchantment | Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy. |
| Myr Superion | 2 | Artifact Creature — Myr | Spend only mana produced by creatures to cast this spell. 5/6 |
| Liberator, Urza's Battlethopter | 3 | Legendary Artifact Creature — Thopter | Flash Flying You may cast colorless spells and artifact spells as though they had flash. Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator, Urza's Battlethopter's power, put a +1/+1 counter on Liberator. 1/2 |
| Lavinia, Azorius Renegade | WU | Legendary Creature — Human Soldier | Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. 2/2 |
| Inexorable Tide | 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.) |
| Song of the Worldsoul | 4WW | Enchantment | Whenever you cast a spell, populate. (Create a token that's a copy of a creature token you control.) |
| Tidal Barracuda | 3U | Creature — Fish | Any player may cast spells as though they had flash. Your opponents can't cast spells during your turn. 3/4 |
| Living Breakthrough | Enchantment Creature — Moonfolk | Flying Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn. 3/3 | |
| Checks and Balances | 2U | Enchantment | Cast this spell only if there are three or more players in the game. Whenever a player casts a spell, each of that player's opponents may discard a card. If they do, counter that spell. |