Subterranean Assault — Whenever Trygon Prime attacks, put a +1/+1 counter on it and a +1/+1 counter on up to one other target attacking creature. That creature can't be blocked this turn.
The walls of the Necron tomb were unbreakable. The ground beneath it was not.
![Trygon Prime [Warhammer 40,000]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/00d9948c0f4dc09a4d7646154db939d4999212f1_4bc88d37-436e-4298-a389-d063ab5c2c9e.png?v=1698541591&width=1445)