The Leprechaun

Nightmare (Whenever this creature enters the battlefield, or leaves your graveyard, target
opponent chooses one that they can perform)
- Opponent's creatures gain deathtouch and haste
until end of turn
- Opponent draws 2 cards
- Opponent creates 2 gold tokens "Sacrifice this artifact: Add one mana of any color"
"Where's the rest of me gold?" - Leprechaun,
Leprechaun (1993)