Ramping, ramping and ramping with benefits and card draw.
Lord Windgrace EDH Landfall
Lands in and out of your graveyard with kind of answering the most treat.
Korvold Sacrifice & Flexibility EDH
Some removal, token-maker, aoe-sacrificing, very nice
Abaddon, the unpredictable Outcome EDH
Cast your and your opponents spells from exile and cascade, plus some equipments.