Ceruli, Dark World Guru

Gatewarp {1} (When a card with Gatewarp is discarded to your graveyard, you can pay the cost to bring the card into play from your graveyard.)
Dark Infiltrator - If Ceruli, Dark World Guru was
discarded by a spell or ability and you Gatewarped him,
bring him into play under target opponent's control.
When Ceruli enters the battlefield this way, his owner
discards a card.