Triumph of Gerrard

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II : Put a +1/+1 counter on target creature you control with the greatest power.
III : Target creature you control with the greatest power gains flying (This creature can't be blocked except by creatures with flying or reach.), first strike (This creature deals combat damage before creatures without first strike.), and lifelink (Damage dealt by the creature also causes its controller to gain that much life.) until end of turn.