Threefold Thunderhulk - The Lost Caverns of Ixalan Promos

Threefold Thunderhulk enters with three +1/+1 counters on it.

Whenever Threefold Thunderhulk enters or attacks, create a number of 1/1 colorless Gnome artifact creature tokens equal to its power.

, Sacrifice another artifact: Put a +1/+1 counter on Threefold Thunderhulk.