Summoner's Egg (ja)
Artifact Creature - Egg | Power/Toughness: 0 / 4 (CMC 4)
Imprint -- When Summoner's Egg enters the battlefield, you may exile a card from your hand face down.
When Summoner's Egg dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.