Dragon's Gate

Cascade Cascade Cascade Cascade Cascade
As an additional cost to this spell, return a creature you control to it's owner's hand.
Target opponent draws 7 cards.
If you have cast your commander this game, you may play this card without paying its mana cost. (It still cascades 11 mana)
Whenever a player casts a spell or activates an ability, venture into the Undercity twice.