• Creatures with good ETB and/or LTB effects (for when you use Araumi's Encore ability)
• Self mill (to get more cards in the graveyard for Araumi)
• End the turn (to avoid the sacrifice)
• Homarid Spawning Bed - One of my pet cards; you sac the creature to it to get a bunch of tokens. Most of the creatures include Blue so they can be sacrificed this way. Not necessary for the deck to do well.
Click here for a text version of this decklist
Click here for my EDH Commander decks