Jack's Exeggutor

Reach, trample
Bountiful Growth—Whenever a basic land enters
the battlefield under your control, untap target land and put two +1/+1 counters on Jack's Exeggutor.
Huge Eggsplosion!—Whenever Jack's Exeggutor becomes blocked, flip X coins, where X is the number of counters on it. Jack's Exeggutor deals 2 damage to target defending creature for each flip
you win. Jack's Exeggutor deals 2 damage to target defending player for each flip you lose.