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 |
|---|---|---|---|
| Gollum, Scheming Guide | 1B | Legendary Creature — Halfling Horror | Whenever Gollum, Scheming Guide attacks, look at the top two cards of your library, put them back in any order, then choose land or nonland. An opponent guesses whether the top card of your library is the chosen kind. Reveal that card. If they guessed right, remove Gollum from combat. Otherwise, you draw a card and Gollum can't be blocked this turn. 2/1 |
| Wurm's Tooth | 2 | Artifact | Whenever a player casts a green spell, you may gain 1 life. |
| Dovescape | 3W/UW/UW/U | Enchantment | ({W/U} can be paid with either {W} or {U}.) Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value. |
| Golem's Heart | 2 | Artifact | Whenever a player casts an artifact spell, you may gain 1 life. |
| Skullpiercer Gnat | GU | Creature — Phyrexian Insect | Flying Toxic 1 Whenever Skullpiercer Gnat deals combat damage to a player, a random nonland card in that player's hand perpetually gains "When you cast this spell, you get a poison counter." 1/1 |
| Katilda and Lier | GWU | Legendary Creature — Human | Whenever you cast a Human spell, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.) 3/3 |
| Demonic Attorney | 1BB | Sorcery | Remove Demonic Attorney from your deck before playing if you're not playing for ante. Each player antes the top card of their library. |
| Lavaball Trap | 6RR | Instant — Trap | If an opponent had two or more lands enter the battlefield under their control this turn, you may pay {3}{R}{R} rather than pay this spell's mana cost. Destroy two target lands. Lavaball Trap deals 4 damage to each creature. |
| Fervent Mastery | 3RR | Sorcery | You may pay {2}{R}{R} rather than pay this spell's mana cost. If the {2}{R}{R} cost was paid, an opponent discards any number of cards, then draws that many cards. Search your library for up to three cards, put them into your hand, shuffle, then discard three cards at random. |
| A-Teferi, Time Raveler | 2WU | Legendary Planeswalker — Teferi | Your opponents can't cast spells during your turn. [+1]: Until your next turn, you may cast sorcery spells as though they had flash. [−3]: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card. Loyalty 5 |