Unilateralis, the Cradle

Defender, death touch
Whenever a non-Saproling creature you control blocks, create a 1/1 green Saproling creature token.
{t}, Sacrifice 2 creatures: Unilateralis, the Cradle deals 1 damage to target creature or player.
If you control 10 or more creatures, creatures you control get +2/+2, have trample, and lose defender.