Griffin Rider

As long as you control a Griffin creature, Griffin Rider gets +3/+3 and has flying.

Divebomber Griffin

Flying
{T}, Sacrifice Divebomber Griffin: It deals 3 damage to target attacking or blocking creature.

Enchant creature
Enchanted creature gets +2/+2 and has flying.
When enchanted creature dies, create a 2/2 white Griffin creature token with flying.

Landfall — Whenever a land you control enters, Fledgling Griffin gains flying until end of turn.

Flying
When Courier Griffin enters, you gain 2 life.

At the beginning of your end step, if you gained 3 or more life this turn, create a 2/2 white Griffin creature token with flying.

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

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Charging Griffin attacks, it gets +1/+1 until end of turn.

Flying
Other Griffin creatures get +1/+1.

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