Fearless Fledgling

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

Zuberi, Golden Feather

Flying
Other Griffin creatures get +1/+1.

Razorfoot Griffin

Flying (This creature can't be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)

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.

Diving Griffin

Griffin Sentinel

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

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.

Griffin Dreamfinder

Flying
When this creature enters, return target enchantment card from your graveyard to your hand.

Griffin Protector

Flying
Whenever another creature you control enters, this creature gets +1/+1 until end of turn.

Mistmoon Griffin

Flying
When this creature dies, exile it, then return the top creature card of your graveyard to the battlefield.

Mtenda Griffin

Flying
{W}, {T}: Return this creature to its owner's hand and return target Griffin card from your graveyard to your hand. Activate only during your upkeep.