Klang, Junkyard Elemental

Sunburst (This enters the battlefield with a +1/+1
counter for each different color of mana spent casting it.)
{w}{u}{b}{r}{g}, Remove a +1/+1 counter from Klang: Return any number of nonland cards with cycling
that do not share a color from your graveyard
to your hand.
The detritus removed, sunlight delved deep into the abyss of the grand city's dump, reviving untold forgotten wonders.