Groundeater Dragon

When Groundeater Dragon enters the battlefield, sacrifice X lands. Put X +1/+1 counters on Groundeater Dragon.
If Groundeater Dragon has 3 or more +1/+1 counters on it, it has double strike, menace, haste, and is returned to your hand if it would be put in the graveyard.
"Death cannot reach me. All fear me. You think you can destroy me?"