Double Trouble

Haste
When Double Trouble enters the battlefield, flip a coin.
If you win the flip, target opponent draws two cards and gains 3 life.
If you lose the flip, that opponent creates a 2/2 red Goblin creature token with haste and gains 3 life.
Whenever Double Trouble attacks, you may flip a coin.
If you win, Double Trouble deals 3 damage to any target. If you lose, you must sacrifice it.