Venser, Visionary Traveler [Mystery Booster: Commander Edition]

Each nontoken creature you control that wasn't cast from your hand enters with two additional +1/+1 counters on it.
+1: Exile up to one other target permanent you control. At the beginning of the next end step, return that card to the battlefield under its owner's control.
−2: For each opponent, return up to one target nonland permanent that player controls to its owner's hand.
Venser, Visionary Traveler can be your commander.