"Draw Into My Combo" is just a reference to combo decks in general
"Draw Into the Forbidden Five" is a reference to the Power Nine, but built on effects that are overpowered and/or ways to break the game in Perfect Draw!
"Lightning Blaze" is a reference to lightning vortex from yugioh, which was banned at the time of publishing
"Team Sabotage" is a combined reference to a number of Team Rocket based cards from discarded cards and where part of the reason the rules for trainer cards where changed.
"Dark Empress Dragon" is a reference to one of yugiohs first ever banned cards "Chaos Emperor Dragon - Envoy of the End"
"Clan Metalworks" you already mentioned being a krark clan ironworks reference.
"Molo the King Thief" is a reference to Oko, Thief of Crowns from MTG, which was the start of what many see as the start to a shift in mtg cards being broken due to a lack of testing.
"Panther of the Nightmare-Cave" is a reference to "Lurrus of the Dream-Den" as the only card to ever be completely banned from vintage for purely mechanical and non social or logistical reasons