Summon: Stun an enemy unit with Flying.
When you play a spell, Powderglider gets +1/+1 this turn.
Flying - Flying units can only be blocked by other flying units, but can block ground units normally. They can also be directly attacked by Killer units and Relic Weapons.
Summon - Does something when played
Stun - Exhaust a unit. It can't attack or block next turn.