M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Animar, Soul of Elements | GUR | Legendary Creature — Elemental | Protection from white and from black Whenever you cast a creature spell, put a +1/+1 counter on Animar, Soul of Elements. Creature spells you cast cost {1} less to cast for each +1/+1 counter on Animar. 1/1 |
| Arena Trickster | 3R | Creature — Human Shaman | Whenever you cast your first spell during each opponent's turn, put a +1/+1 counter on Arena Trickster. 3/3 |
| Counterbalance | UU | Enchantment | Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card. |
| Bane's Contingency | 1UU | Instant | Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card. |
| Arboria | 2GG | World Enchantment | Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn. |
| Warmth | 1W | Enchantment | Whenever an opponent casts a red spell, you gain 2 life. |
| Water Gun Balloon Game | 2 | Artifact | As Water Gun Balloon Game enters the battlefield, each player puts a pop! counter on "0." Whenever a player casts a spell, move that player's pop! counter up one. Whenever a player's pop! counter hits "5," that player creates a 5/5 pink Giant Teddy Bear creature token and resets all pop! counters to "0." |
| Soul Barrier | 2U | Enchantment | Whenever an opponent casts a creature spell, Soul Barrier deals 2 damage to that player unless they pay {2}. |
| Paradox Engine | 5 | Legendary Artifact | Whenever you cast a spell, untap all nonland permanents you control. |
| Beast Whisperer | 2GG | Creature — Elf Druid | Whenever you cast a creature spell, draw a card. 2/3 |