If we're going to have successful Rule Zero conversations about power, we should disclose even the combos in our decks
Cards that get beefier the more cards in players graveyards are a fine choice
Dragoon Spear is a solid card to introduce this mechanic
Thus, I exclude various effects that make players exclusively sacrifice lands, like Destructive Flow, though some edicts on the list make players sacrifice lands in addition to other card types
Perfect Order feels like Pokmon TCG's betting on making Zygarde a mainstay, mainly thanks to a high-tech black-and-neon-green design that just about distinguishes it aesthetically from other recent Pokmon sets (to be fair, there have been over 120 of them, and there are only so many color combinations)
Merchant can be but typically is more of a warped Seige Rhino