Goro-Goro, Disciple of Ryusei Goro-Goro, Disciple of Ryusei is a bomb way to take advantage of your creatures with modifications: That is, equipment, auras, or counters
Junkyard Genius BPhillipYork: There's a lot of ETBs making powerstones, which can get abusive, but handing out menace isn't particularly meaningful, haste on the other hand is a powerful enabler, and obviously this guy creates his own token to eat, in decks that want to sacrifice or create artifacts and maybe part it with ETB or death punishments for artifacts it can be a useful piece
You can use as many as you want - even all five
Five mana for two creatures
To play it, youll exile a card in order to trigger its Harness ability, which essentially brings a creature card back from your Graveyard every turn