M:tG card similarity search
4B · Instant
You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.
| Name | Mana | Type | Text |
|---|---|---|---|
| Phyrexian Devourer | 6 | Artifact Creature — Phyrexian Construct | When Phyrexian Devourer's power is 7 or greater, sacrifice it. Exile the top card of your library: Put X +1/+1 counters on Phyrexian Devourer, where X is the exiled card's mana value. 1/1 |
| Death Mutation | 6BG | Sorcery | Destroy target nonblack creature. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value. |
| Plunderer's Prize | XU | Sorcery | Seek a nonland artifact card with mana value X or less and put it onto the battlefield. If a card with mana value less than X is put onto the battlefield this way, this spell perpetually gains "This spell costs {1} more to cast," then return this spell to its owner's hand. |
| Kiora, Sovereign of the Deep | 3GU | Legendary Creature — Merfolk Noble | Vigilance, ward {3} Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order. 4/5 |
| Hobbit's Sting | 1W | Instant | Hobbit's Sting deals X damage to target creature, where X is the number of creatures you control plus the number of Foods you control. |
| Sickening Dreams | 1B | Sorcery | As an additional cost to cast this spell, discard X cards. Sickening Dreams deals X damage to each creature and each player. |
| Shining Shoal | XWW | Instant — Arcane | You may exile a white card with mana value X from your hand rather than pay this spell's mana cost. The next X damage that a source of your choice would deal to you and/or creatures you control this turn is dealt to any target instead. |
| Fall of the Titans | XXR | Instant | Surge {X}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Fall of the Titans deals X damage to each of up to two targets. |
| Metamorphosis | G | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells. |
| Heat Ray | XR | Instant | Heat Ray deals X damage to target creature. |