Khan Tervel, Shield Khan

Savior of Constantinople: If an opponent controls more creatures than you, creatures you control gain first strike and vigilance.
Horseman’s Charge : Whenever Khan Tervel attacks, you may pay {r}. If you do, create two 2/2 white Horseman tokens with haste.
Steppe Lord’s Endurance: {g}: Khan Tervel gains indestructible until end of turn. Activate only if you control another attacking creature.