Jonothan, Jenga Trainer

If this creature has less than 3 brick counters on it,
it is not a creature.
Jonothan, Jenga Trainer gets +1/+1 for each Brick counter on it.
{t}: Put a brick counter on Jonothan, Jenga Trainer.
{1}{g}: Put a brick counter on Jonothan, Jenga Trainer.
Topple — Sacrifice Jonothan. Jenga Trainer:
Deal damage to any target equal to its power plus its toughness. You gain life and draw cards equal to
half that number, rounded up.