BeMeebEth, Unstable Creation

Trample

Whenever you cast a creature spell, sacrifice another permanent you control that isn't named BeMeebEth, Unstable Creation, then make a token copy of BeMeebEth, Unstable Creation, except it isn't legendary.

When BeMeebEth, Unstable Creation becomes blocked by
a creature, you may sacrifice it. If you do, BeMeebEth, Unstable Creation does 3 damage to any target.