M:tG card similarity search
3B · Instant
Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.
| Name | Mana | Type | Text |
|---|---|---|---|
| Barrin's Codex | 4 | Artifact | At the beginning of your upkeep, you may put a page counter on Barrin's Codex. {4}, {T}, Sacrifice Barrin's Codex: Draw X cards, where X is the number of page counters on Barrin's Codex. |
| Chamber Sentry | X | Artifact Creature — Construct | Chamber Sentry enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. {X}, {T}, Remove X +1/+1 counters from Chamber Sentry: It deals X damage to any target. {W}{U}{B}{R}{G}: Return Chamber Sentry from your graveyard to your hand. 0/0 |
| Shanna, Purifying Blade | GWU | Legendary Creature — Human Warrior | Lifelink At the beginning of your end step, you may pay {X}. If you do, draw X cards. X can't be greater than the amount of life you gained this turn. 3/3 |
| Detonate | XR | Sorcery | Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller. |
| Finale of Eternity | XBB | Sorcery | Destroy up to three target creatures with toughness X or less. If X is 10 or more, return all creature cards from your graveyard to the battlefield. |
| Summons of Saruman | XUR | Sorcery | Amass Orcs X. Mill X cards. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. (To amass Orcs X, put X +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) Flashback—{3}{U}{R}, Exile X cards from your graveyard. |
| Hancock, Ghoulish Mayor | 2B | Legendary Creature — Zombie Mutant Advisor | Each other creature you control that's a Zombie or Mutant gets +X/+X, where X is the number of counters on Hancock, Ghoulish Mayor. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) 2/1 |
| Aether Burst | 1U | Instant | Return up to X target creatures to their owners' hands, where X is one plus the number of cards named Aether Burst in all graveyards as you cast this spell. |
| March of Wretched Sorrow | XB | Instant | As an additional cost to cast this spell, you may exile any number of black cards from your hand. This spell costs {2} less to cast for each card exiled this way. March of Wretched Sorrow deals X damage to target creature or planeswalker and you gain X life. |
| Apocalypse Hydra | XRG | Creature — Hydra | Apocalypse Hydra enters the battlefield with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counters on it. {1}{R}, Remove a +1/+1 counter from Apocalypse Hydra: It deals 1 damage to any target. 0/0 |