Lumbering Elder

Rumble (During your turn you may pay {2} and exile this card from your hand face down. At the beginning of your upkeep, put a rumble counter on this card. You may cast it from exile by removing all rumble counters from it in addition to paying its other costs.)
Trample
When Lumbering Elder enters the battlefield with X +1/+1 Counters, where X is the number of rumble counters removed to cast it.