Growlithe

Whenever you cast an instant or sorcery spell Growlithe gets +1/+0 until end of turn.
Moutaincycling {r} ({r}, Discard this card:
Search your library for a Mountain card,
reveal it, put it into your hand, then shuffle
your library.)
"Very protective of its territory. It will bark and bite to
repel intruders from its space." - Pokedex