As Booby Trap enters the battlefield, choose an opponent and a card name other than a basic land card name.
The chosen player reveals each card they draw.
When the chosen player draws a card with the chosen name, sacrifice Booby Trap. If you do, Booby Trap deals 10 damage to that player.
"I am reminded of the fable of the silver egg. Its owner cracks it open to see what jewels it holds, only to discover a simple yellow yolk."
—Karn, silver golem
Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Return target permanent to its owner's hand.
Chaotic Goo enters the battlefield with three +1/+1 counters on it.
At the beginning of your upkeep, you may flip a coin. If you win the flip, put a +1/+1 counter on Chaotic Goo. If you lose the flip, remove a +1/+1 counter from Chaotic Goo.