M:tG card similarity search
5RG · Legendary Creature — Dragon
Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end. 4/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Spinning Wheel | 3 | Artifact | {T}: Add one mana of any color. {5}, {T}: Tap target creature. |
| The Seventh Doctor | 3WU | Legendary Creature — Time Lord Doctor | Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") 3/6 |
| Aurochs | 3G | Creature — Aurochs | Trample Whenever Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs. 2/3 |
| Marvo, Deep Operative | 3UB | Legendary Creature — Octopus Rogue | Whenever Marvo, Deep Operative attacks, clash with defending player. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) Whenever you win a clash, draw a card. Then you may cast a spell from your hand with mana value 8 or less without paying its mana cost. 1/8 |
| Whispersteel Dagger | 2B | Artifact — Equipment | Equipped creature gets +2/+0. Whenever equipped creature deals combat damage to a player, you may cast a creature spell from that player's graveyard this turn, and you may spend mana as though it were mana of any color to cast that spell. Equip {3} |
| Assassin's Blade | 1B | Instant | Cast this spell only during the declare attackers step and only if you've been attacked this step. Destroy target nonblack attacking creature. |
| Henge Walker | 3 | Artifact Creature — Golem | Adamant — If at least three mana of the same color was spent to cast this spell, Henge Walker enters the battlefield with a +1/+1 counter on it. 2/2 |
| Soul Servitude | 2B | Instant | Target player sacrifices a nontoken creature. When they do, you may discard a card. If you do, conjure a duplicate of the sacrificed creature into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Bull Aurochs | 1G | Creature — Aurochs | Trample Whenever Bull Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs. 2/1 |
| Kavu Mauler | 4GG | Creature — Kavu | Trample Whenever Kavu Mauler attacks, it gets +1/+1 until end of turn for each other attacking Kavu. 4/4 |