Selvid, Godborn Titan

Trample
{x}{r}{g}: Another target creature you control gets +X/+0 and gains trample until end of turn. Use this ability only as a sorcery.
When Selvid, Godborn Titan dies, create a 4/4 green rhino creature token with trample, a 3/3 green beast creature token, and a 1/1 green snake creature token with deathtouch.