Dimension Dog

Trample, menace, double strike
Dimension Dog gets +X/+X, where X is the
number of spells on the stack. If the stack has
more than 5 spells, suspend Dimension Dog
with 2 time counters on it.
"Fakkin dog... You got a secret eh? Tryin to keep us prisoners eh? I'll fakkin kill you, you know?" The dog
did not bother replying, and kept sleeping quietly.