Larah, Divine Warlord

Imposing Presence—At the beginning of the game, if Larah, Divine Warlord is in the command zone, you may pay 10 life. If you do, Larah costs {0} until end of turn.
Flying, haste, first strike
Whenever Larah deals combat damage, you gain 1 life.
"Justice or cruelty. Why not choose both?"