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
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
Scythecat Cub $34.00 Dang, this cat is a bear
It worked moderately well, especially since we were toying with the emerge mechanic in tandem
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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