Bladegriff Prototype

Flying
Whenever this creature deals combat damage to a player, destroy target nonland permanent of that player's choice that one of your opponents controls.

Fearless Fledgling

Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature. It gains flying until end of turn.

Griffin Sentinel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Sol Ring

True Conviction

Creatures you control have double strike and lifelink.

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Wanted Griffin

Flying
When this creature dies, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Zuberi, Golden Feather

Flying
Other Griffin creatures get +1/+1.

Courier Griffin

Flying
When this creature enters, you gain 2 life.

Zeriam, Golden Wind

Flying
Whenever a Griffin you control deals combat damage to a player, create a 2/2 white Griffin creature token with flying.