Baboon Eyes

Vigilance, Trample, Menace, Deathtouch, Lifelink
When Baboon Eyes enters the battlefield, look at target opponent's hand. You may cast any number of spells without paying their mana cost.
Permanents you control gain haste, vigilance and cascade cascade.
At the beginning of your end step, for each creature that dealt damage to one of your opponents, connive twice.
Whenever a player casts a spell, venture into the Undercity twice.