9 Dark Ritual Turn One Mana Into Three Dark Ritual is a card that dates all the way back to Alpha (and has been reprinted countless times), and it's still one of the best ritual spells in the game
An update to The Ivalice Chronicles adds a proper new game plus that allows you to retain everything at the start of the next game
Doubling Season Doubling Season from Ravnica: City of Guilds hasn't made much of a splash in 60-card formats, but it goes in many different Commander decks of all varities, because it straight-up doubles things players care about, like loyalty counters on Planeswalkers, for example
If we're playing lords, they're just gonna push us in a combat direction that Nicanzil doesn't really care about, and our commander would rather us just play more than Merfolk
Chase Cards: EX Hitmonchan, EX Scyther, EX Mewtwo
The bigger your table of players is, the more powerful this card becomes