M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Master of Dark Rites | B | Creature — Vampire Cleric | {T}, Sacrifice another creature: Add {B}{B}{B}. Spend this mana only to cast Vampire, Cleric, and/or Demon spells. 1/1 |
| 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. |
| Donal, Herald of Wings | 2UU | Legendary Creature — Human Wizard | Whenever you cast a nonlegendary creature spell with flying, you may copy it, except the copy is a 1/1 Spirit in addition to its other types. Do this only once each turn. (The copy becomes a token.) 3/3 |
| Chrome Host Seedshark | 2U | Creature — Phyrexian Shark | Flying Whenever you cast a noncreature spell, incubate X, where X is that spell's mana value. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) 2/4 |
| Piracy | UU | Sorcery | Until end of turn, you may tap lands you don't control for mana. Spend this mana only to cast spells. |
| Malachite Talisman | 2 | Artifact | Whenever a player casts a green spell, you may pay {3}. If you do, untap target permanent. |
| Reflections of Littjara | 4U | Enchantment | As Reflections of Littjara enters the battlefield, choose a creature type. Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.) |
| Candlekeep Inspiration | 4U | Sorcery | Until end of turn, creatures you control have base power and toughness X/X, where X is the number of cards you own in exile and in your graveyard that are instant cards, are sorcery cards, and/or have an Adventure. |
| Gainsay | 1U | Instant | Counter target blue spell. |
| Dance with Calamity | 7R | Sorcery | Shuffle your library. As many times as you choose, you may exile the top card of your library. If the total mana value of the cards exiled this way is 13 or less, you may cast any number of spells from among those cards without paying their mana costs. |