M:tG card similarity search
2U · Enchantment
Whenever an opponent casts a spell from their hand, you may reveal the top card of your library. If it shares a card type with that spell, counter that spell and that opponent may cast the revealed card without paying its mana cost.
| Name | Mana | Type | Text |
|---|---|---|---|
| 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. |
| Ice Cave | 3UU | Enchantment | Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. (Mana cost includes color.) |
| Omniscience | 7UUU | Enchantment | You may cast spells from your hand without paying their mana costs. |
| Allure of the Unknown | 3BR | Sorcery | Reveal the top six cards of your library. An opponent exiles a nonland card from among them, then you put the rest into your hand. That opponent may cast the exiled card without paying its mana cost. |
| Etali, Primal Storm | 4RR | Legendary Creature — Elder Dinosaur | Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs. 6/6 |
| Yennett, Cryptic Sovereign | 2WUB | Legendary Creature — Sphinx | Flying, vigilance, menace Whenever Yennett, Cryptic Sovereign attacks, reveal the top card of your library. You may cast it without paying its mana cost if its mana value is odd. If you don't cast it, draw a card. 3/5 |
| Patrician's Scorn | 3W | Instant | If you've cast another white spell this turn, you may cast this spell without paying its mana cost. Destroy all enchantments. |
| Twinning Glass | 4 | Artifact | {1}, {T}: You may cast a spell from your hand without paying its mana cost if it has the same name as a spell that was cast this turn. |
| X | UB | Legendary Creature — Human Spy | As long as X is in X's owner's opponent's hand, X's owner may cast X and activate X's abilities. That opponent can't cast X and plays with their hand revealed. {U}{B}, {T}: Put X into target opponent's hand. {3}{U}{B}: You may play a land or cast a spell from the hand X is in. If you cast a spell this way, you cast it without paying its mana cost. 2/2 |
| Fevered Suspicion | 6BR | Sorcery | Each opponent exiles cards from the top of their library until they exile a nonland card. You may cast any number of spells from among those nonland cards without paying their mana costs. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.) |