M:tG card similarity search
1R · Creature — Goblin Rogue Wizard
When Construction Arsonist enters the battlefield, you may choose an instant or sorcery card in your hand. If you do, that card perpetually incorporates {R} and gains "When you cast this spell, it deals 2 damage to each opponent." Whenever you cast a multicolored spell, Construction Arsonist gets +1/+1 until end of turn for each of that spell's colors. 2/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Void Mirror | 2 | Artifact | Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell. |
| Geist of Regret | 4U | Creature — Spirit | Flying When Geist of Regret enters the battlefield, put a random instant card from your library into your graveyard. Then put a random sorcery card from your library into your graveyard. Whenever you cast an instant or sorcery spell from your graveyard, copy that spell. You may choose new targets for the copy. 5/5 |
| Bosom Buddy | 3W | Creature — Elephant Townsfolk | Whenever you cast a spell, you may gain ½ life for each word in that spell's name. 1/4 |
| Perplexing Chimera | 4U | Enchantment Creature — Chimera | Whenever an opponent casts a spell, you may exchange control of Perplexing Chimera and that spell. If you do, you may choose new targets for the spell. (If the spell becomes a permanent, you control that permanent.) 3/3 |
| Cast Through Time | 4UUU | Enchantment | Instant and sorcery spells you control have rebound. (Exile the spell as it resolves if you cast it from your hand. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.) |
| Krark, the Thumbless | 1R | Legendary Creature — Goblin Wizard | Whenever you cast an instant or sorcery spell, flip a coin. If you lose the flip, return that spell to its owner's hand. If you win the flip, copy that spell, and you may choose new targets for the copy. Partner (You can have two commanders if both have partner.) 2/2 |
| Swarm Intelligence | 6U | Enchantment | Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy. |
| Cathar's Companion | 2W | Creature — Dog | Whenever you cast a noncreature spell, Cathar's Companion gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) 3/1 |
| Extus, Oriq Overlord | 1WBB | Legendary Creature — Human Warlock | Double strike Magecraft — Whenever you cast or copy an instant or sorcery spell, return target nonlegendary creature card from your graveyard to your hand. 2/4 |
| Mage Hunter | 3B | Creature — Horror | Whenever an opponent casts or copies an instant or sorcery spell, they lose 1 life. 3/4 |