M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Killing Glare | XB | Instant | Destroy target creature with power X or less. |
| Vraska, Golgari Queen | 2BG | Legendary Planeswalker — Vraska | [+2]: You may sacrifice another permanent. If you do, you gain 1 life and draw a card. [−3]: Destroy target nonland permanent with mana value 3 or less. [−9]: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game." Loyalty 4 |
| Kamahl's Druidic Vow | XGG | Legendary Sorcery | (You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Look at the top X cards of your library. You may put any number of land and/or legendary permanent cards with mana value X or less from among them onto the battlefield. Put the rest into your graveyard. |
| Gang Up | XB | Instant | Assist (Another player can pay up to {X} of this spell's cost. You choose the value of X.) Destroy target creature with power X or less. |
| Karn's Sylex | 3 | Legendary Artifact | Karn's Sylex enters the battlefield tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery. |
| Healing Technique | 3G | Sorcery | Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.) Return target card from your graveyard to your hand. You gain life equal to that card's mana value. Exile Healing Technique. |
| Boon of Boseiju | 1G | Instant | Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it. |
| Livaan, Cultist of Tiamat | 2R | Legendary Creature — Dragon Shaman | Whenever you cast a noncreature spell, target creature gets +X/+0 until end of turn, where X is that spell's mana value. Choose a Background (You can have a Background as a second commander.) 1/3 |
| Citystalker Connoisseur | 3B | Creature — Vampire | Deathtouch When Citystalker Connoisseur enters the battlefield, target opponent discards a nonland card with the greatest mana value among cards in their hand. Create a Blood token. 3/3 |
| In the Eye of Chaos | 2U | World Enchantment | Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value. |