Humble Defector

{T}: Draw two cards. Target opponent gains control of this creature. Activate only during your turn.

Plains

Zedruu the Greathearted

At the beginning of your upkeep, you gain X life and draw X cards, where X is the number of permanents you own that your opponents control.
{U}{R}{W}: Target opponent gains control of target permanent you control.

Akroan Horse

Defender
When this creature enters, an opponent gains control of it.
At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

Island

Mountain

Bazaar Trader

{T}: Target player gains control of target artifact, creature, or land you control.