Donna's Spinosaurus

If you control a Donna planeswalker, put two +1/+1 counters on Donna's Spinosaurus, it gains Lifelink,
and costs {3} less to cast.
Trample, Vigilance
{x}: Donna's Spinosaurus gets +X/+X until end
of turn.
What's that? You say dinosaurs are extinct? Then how
is my little Frill here? - Donna, Verdant Creator