M:tG card similarity search
1BB · Enchantment
When Hecatomb enters the battlefield, sacrifice Hecatomb unless you sacrifice four creatures. Tap an untapped Swamp you control: Hecatomb deals 1 damage to any target.
| Name | Mana | Type | Text |
|---|---|---|---|
| Rhystic Deluge | 2U | Enchantment | {U}: Tap target creature unless its controller pays {1}. |
| Olivia Voldaren | 2BR | Legendary Creature — Vampire | Flying {1}{R}: Olivia Voldaren deals 1 damage to another target creature. That creature becomes a Vampire in addition to its other types. Put a +1/+1 counter on Olivia Voldaren. {3}{B}{B}: Gain control of target Vampire for as long as you control Olivia Voldaren. 3/3 |
| 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 |
| Ordeal of Thassa | 1U | Enchantment — Aura | Enchant creature Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Thassa. When you sacrifice Ordeal of Thassa, draw two cards. |
| Cave-In | 3RR | Sorcery | You may exile a red card from your hand rather than pay this spell's mana cost. Cave-In deals 2 damage to each creature and each player. |
| Haunt of the Dead Marshes | B | Creature — Nightmare Elf | When Haunt of the Dead Marshes enters the battlefield, scry 1. {2}{B}: Return Haunt of the Dead Marshes from your graveyard to the battlefield tapped. Activate only if you control a legendary creature. 1/1 |
| Cabal Executioner | 2BB | Creature — Human Cleric | Whenever Cabal Executioner deals combat damage to a player, that player sacrifices a creature. Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 2/2 |
| Loch Larent | Land | Loch Larent enters the battlefield tapped. {T}: Add {U}. {1}{U}, {T}: Scry 3. Target opponent gets a one-time boon with "When you cast a creature spell, that creature enters the battlefield tapped and with a stun counter on it." Activate only during your turn and only once. | |
| Boomstacker | 2R | Creature — Goblin Artificer | As Boomstacker enters the battlefield and whenever it attacks, stack two dice on top of it. (All dice must be stacked vertically, one on top of another.) Boomstacker gets +1/+1 for each die in its stack. Boomstacker attacks each combat if able. When the stack falls, sacrifice Boomstacker. 0/0 |
| Depth Charge Colossus | 9 | Artifact Creature — Dreadnought | Prototype {4}{U}{U} — 6/6 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Depth Charge Colossus doesn't untap during your untap step. {3}: Untap Depth Charge Colossus. 9/9 |