Hamza, Guardian of Arashin is a uncommon Legendary Creature — Elephant Warrior card from Commander Masters (CMM), collector number 339. Current market price: $0.34 (foil $0.41), TCGplayer market prices via Scryfall.
This spell costs {1} less to cast for each creature you control with a +1/+1 counter on it. Creature spells you cast cost {1} less to cast for each creature you control with a +1/+1 counter on it.