Arlen Bales

+1: Create a colorless 'Warded Weapon' equipment token with "Equipped creature gets +1/+0. and First Strike" and "Equip {2}"
-1: Until end of turn Arlen Bales becomes a 4/4 creature token with indestructible and "As long as Arlen Bales is a creature, all equip costs are {0}
-10: Exile all opponent's creatures, then after your combat phase untap all creatures and there is a second combat phase.