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Baton of Morale is a great way to give any of your creatures banding

All Black decks have access to Bojuka Bog and any deck can add Scavenger Grounds, and there are tons of efficient artifacts that hate graveyards like Soul-Guide Lantern

Its important that the format have interesting commanders that hit at a lower power level

(Then shuffle this card into its owner's library.) As a player casts an omen card, the player chooses whether they cast the card normally or as an Omen

Since it builds up experience counters by seeing other colorless creatures die, you should build up a board first, then cast Azlask once you have a few on-demand ways to build up experience