Heres that list, in order of how often I used them over the last year: Tokens Treasure Monarch Food Clue 3/3 Beast (and/or Elephant) 1/1 Human 4/4 Angel 0/1 Plant 1/1 Thopter 1/1 Snake 1/1 Bird 1/1 Saproling 1/1 Goblin Counters and Accessories Life (Lifetap app or d100 Dial) Commander Damage (Lifetap app or d20s) Poison (Lifetap app or d10s) +1/+1 (d6) Loyalty (d10 or d12) Sagas (d6) Coin (or any even-sided die) Slime, -1/-1 (d6 of an alt color) Shield, Goaded, Stun, Keyword Counters, etc
Then Kotis has a combat damage trigger for his damage to exile that many cards from their library and then cast them for free, just like Narset
Since the duos activated ability scales its damage based on your Dogs in play, a Dog-centric brew is your best bet here
They then sacrifice all of their unchosen nonland permanents simultaneously
Courtesy of Wizards of the Coast (WotC) and Loading Ready Run, check out the Eldrazi Unbound Commander Deck from Commander Masters