Lush Thicket

Defender
If an attacking creature under your opponent's control cannot be blocked except by X or more creatures, once per turn you may pay {g}{g}. If you do, create up to X minus 1 tokens that are copies of Lush Thicket. Sacrifice all copies of Lush Thicket at the beginning of the next end step.
All creatures named Lush Thicket must block the same creature.
Creatures blocked by Lush thicket lose Trample until end of turn.