I think it requires a deck to be built specifically for it, and while the upside it pretty big, you can still always end up whiffing, or only hitting one creature
One playable card is Pony Girl, which, in addition to its okay stats, has the special ability of drawing a card after being played
There are also planes that have abilities that trigger when we enter or leave that plane, such as Sanctum of Serra
The mana investment required to transform Norm might keep him out of many Constructed formats, but I'll note there is a lot of discard synergy in Standard at the moment
#9 Return from the Wilds Set: Wilds of Eldraine Market Price: $3.06 This three-mana sorcery lets you not only ramp, but also make a creature or food token too
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