Let's review, it's 4 power on turn 3, check, cost reduction for any spell, check, and scales up with a good portion of your deck, you bet you should build in more such creatures
Likewise, if a card or effect that specifically destroys Traps (e.g
Finally the lands start getting way better, with better fixing like Drowned Catacomb, but also neat tech like Peat Bog + Saprazzan Skerry which are consistent ramp if we can proliferate and Diamond City that can store up tons of shield counters and then activate it reliably thanks to Venser creating creatures so easily
But the gap is much smaller than what you'd lose at a card shop you're talking 5-10% below optimal vs
A dragon that never allows cards on the field to be destroyed
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