M:tG card similarity search
2B · Artifact
{T}: Add {B}. Whenever a creature you control dies, put a corpse counter on Crowded Crypt. {4}{B}{B}, {T}, Sacrifice Crowded Crypt: Create a 2/2 black Zombie creature token with decayed for each corpse counter on Crowded Crypt. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Captive Audience | 5BR | Enchantment | Captive Audience enters the battlefield under the control of an opponent of your choice. At the beginning of your upkeep, choose one that hasn't been chosen — • Your life total becomes 4. • Discard your hand. • Each opponent creates five 2/2 black Zombie creature tokens. |
| Morgue Toad | 2B | Creature — Frog | Sacrifice Morgue Toad: Add {U}{R}. 2/2 |
| Drag the Canal | UB | Instant | Create a 2/2 white and blue Detective creature token. If a creature died this turn, you gain 2 life, surveil 2, then investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") |
| Brain in a Jar | 2 | Artifact | {1}, {T}: Put a charge counter on Brain in a Jar, then you may cast an instant or sorcery spell with mana value equal to the number of charge counters on Brain in a Jar from your hand without paying its mana cost. {3}, {T}, Remove X charge counters from Brain in a Jar: Scry X. |
| Biotransference | 2BB | Enchantment | Creatures you control are artifacts in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. Whenever you cast an artifact spell, you lose 1 life and create a 2/2 black Necron Warrior artifact creature token. |
| Lavacore Elemental | 2R | Creature — Elemental | Vanishing 1 (This creature enters the battlefield with a time counter on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) Whenever a creature you control deals combat damage to a player, put a time counter on Lavacore Elemental. 5/3 |
| Vessel of Volatility | 1R | Enchantment | {1}{R}, Sacrifice Vessel of Volatility: Add {R}{R}{R}{R}. |
| Jolting Merfolk | 2UU | Creature — Merfolk | Fading 4 (This creature enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) Remove a fade counter from Jolting Merfolk: Tap target creature. 2/2 |
| Golgari Keyrune | 3 | Artifact | {T}: Add {B} or {G}. {B}{G}: Golgari Keyrune becomes a 2/2 black and green Insect artifact creature with deathtouch until end of turn. |
| Swarm of Bloodflies | 4B | Creature — Insect | Flying Swarm of Bloodflies enters the battlefield with two +1/+1 counters on it. Whenever another creature dies, put a +1/+1 counter on Swarm of Bloodflies. 0/0 |