The workaround is that it untaps whenever you cast a historic spell
Based on the latest market prices tracked on TCG Stacked, Phyrexian Debaser is worth about $0.02 USD for a regular copy and $0.04 USD for a foil copy
Its bigger than any creature I play, and having reach means it can immediately stop the race even if I have two Myr Enforcers and one Utrom
Drawing cards is vital in Magic, and with Gix in play, whenever a creature you control deals damage to an opponent, you can choose to draw a card and lose a life for each creature
Blue-Black , finally, is all about villains and the return of the Connive mechanic, which allows players to both draw cards and strengthen their creatures
Youre getting a 1/1 flyer, two life, maybe an extra card on the next turn if things go well, and then the exciting grand finale, whatever card you want from your sideboard (on top of your deck, anyway)