Entropic Battlecruiser must be stationed before its effect is online, and Cool but Rude requires leveling up, but these are some of the stronger payoffs for repeated discards
The attack trigger obviously benefits cards like The Raven Man and Necrogoyf, but it also loves self-discard from cards like Ox of Agonas and Neheb, Dreadhorde Champion to fuel its escape cost
Ive hand-picked the best sources of card draw for each color, with blue having the strongest options, followed by black, green, red, and white in that order
The clans represent the resilience of the plane's humanoids, seen here on the set's borderless clan cards
Rikku, Resourceful Guardian I can't sing praises for Rikku, Resourceful Guardian enough because counters of all sorts fly around even in the games with decks that don't try to use a bunch of counters
I highly recommend having a look over here