Pieces like Containment Construct allow you to play what you discard, and Rielle, the Everwise is great for drawing just as many cards as Flubs can
(Equipment, Auras you control, and counters are modifications.) Illustrated by Lius Lasahido Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Pick a character and explore the powerful combinations you can assemble and unleash
Creatures ride into battle, clashing against one another, flying over defenses, trampling through the competition, skulking past blockers, doing whatever Bubble Smuggler's doing
As such, you're most likely better off just using this for its front-facing effect about 90% of the time
Having the effect trigger as an ETB, and not just as an attack trigger is huge, and youre triggering twice more if it does manage to attack