Mana Vault [Revised Edition (Foreign Black Border)] Nationals Promos Molasses comes to mind

Molasses comes to mind

Set: Amonkhet Promos Type: Creature — Zombie Beast Rare Cost: {2}{B} Menace When Plague Belcher enters the battlefield

−9: You get an emblem with "Whenever a creature you control deals combat damage to a player

Set: Ultimate Masters Type: Instant — Arcane Uncommon Cost: {1}{R} Add {R}{R}{R}

Mana Vault [Revised Edition (Foreign Black Border)] Nationals Promos Molasses comes to mindSet: Revised Edition (Foreign Black Border) Type: Artifact Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.