When Hopeful Vigil enters, create a 2/2 white Knight creature token with vigilance. When Hopeful Vigil is put into a graveyard from the battlefield, scry 2. {2}{W}: Sacrifice Hopeful Vigil.
{T}: Add {W}. Put a time counter on Hourglass of the Lost. {T}, Remove X time counters from Hourglass of the Lost and exile it: Return each nonland permanent card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.
Flying Whenever you attack with two or more creatures, Augment {3}{W}({3}{W}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)
Vigilance {3}{W}{W}{W}: Monstrosity 3. As long as Hundred-Handed One is monstrous, it has reach and can block an additional ninety-nine creatures each combat.
Mutate {2}{W} Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated.