When The Ruinous Wrecking Crew enters, choose up to X Discard a card, then draw a card
Looking back now, 5 mana is an awful lot to ask of an enchantment that doesnt do anything when it enters the battlefield, but if allowed to sit on the battlefield after a board wipe or a couple turns of play from an Aristocrats strategy (decks that derive value from sacrificing creatures), Black Market can quickly generate game-winning amounts of black mana
Also, turn 1 land, Artificers Assistant into turn 2 mana rock (of which I know you likely run many) or T2 commander gives you an immediate advantage to manipulate your draw for turn 3
With Pokmon's 30th anniversary driving a surge in collector demand and the Scarlet & Violet 151 set now out of print, understanding Charizard EX values has never mattered more
It's especially fearsome in blue, which has lots of card draw effects and can make the most of the extra mana when its given