This combination of decently powered commonly useful effect and rarely useful but highly swingy tend to make the most desirable modal cards and this certainly holds true for Abrade
If ever you watch trading card unboxings, youll see unboxers tend to immediately sleeve their cards once unveiled
If one of the absorbed monsters gets destroyed, it's the owner that suffers the damage
In conjunction with Land Tax (and later Scroll Rack) Zuran Orb turned into an important cog in a card advantage engine
For this particular card, having Equipment attached to Cloud or any other Creature lets you draw cards, per equipped Creature
Theres a lot of card draw/advantage in the deck, but much of it is on expensive cards like Sunbirds InvocationSunbirds Invocation and Coveted JewelCoveted Jewel, so you cant rely on cheap card draw to find your ramp in the early game