M:tG card similarity search
5R · Creature — Demon
First strike, haste Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, Keeper of Secrets deals damage equal to that spell's mana value to target opponent. 6/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Root Spider | 3G | Creature — Spider | Whenever Root Spider blocks, it gets +1/+0 and gains first strike until end of turn. 2/2 |
| Mage Slayer | 1RG | Artifact — Equipment | Whenever equipped creature attacks, it deals damage equal to its power to the player or planeswalker it's attacking. Equip {3} |
| Urborg | Legendary Land | {T}: Add {B}. {T}: Target creature loses first strike or swampwalk until end of turn. | |
| Yahenni's Expertise | 2BB | Sorcery | All creatures get -3/-3 until end of turn. You may cast a spell with mana value 3 or less from your hand without paying its mana cost. |
| Dong Zhou, the Tyrant | 4R | Legendary Creature — Human Soldier | When Dong Zhou, the Tyrant enters the battlefield, target creature an opponent controls deals damage equal to its power to that player. 3/3 |
| Extinction Event | 3B | Sorcery | Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.) |
| Zoyowa's Justice | 1R | Instant | The owner of target artifact or creature with mana value 1 or greater shuffles it into their library. Then that player discovers X, where X is its mana value. (They exile cards from the top of their library until they exile a nonland card with that mana value or less. They cast it without paying its mana cost or put it into their hand. They put the rest on the bottom in a random order.) |
| Guilty Conscience | W | Enchantment — Aura | Enchant creature Whenever enchanted creature deals damage, Guilty Conscience deals that much damage to that creature. |
| Arcane Endeavor | 5UU | Sorcery | Roll two d8 and choose one result. Draw cards equal to that result. Then you may cast an instant or sorcery spell with mana value less than or equal to the other result from your hand without paying its mana cost. |
| Lure of Prey | 2GG | Instant | Cast this spell only if an opponent cast a creature spell this turn. You may put a green creature card from your hand onto the battlefield. |