Even without it, the choice between an effective 4-mana threat or free disruption would have made this a fantastic card
Although armor and auras can be similar, the brains required to use them are worlds apart. Zilan, Makindi auramancer Illustrated by Howard Lyon Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
In addition, regardless of the design, there is a difficulty in that it is extremely vulnerable to Flare Neos and Magma Neos due to the nature of having 5 field magic + magic/ship cards on the field in the first place
AA-rarity (alt-art) and FA (full art) are the two treatments that consistently trade above $200 for any well-known character
You MUST have at least 1 card in your hand
Finally, putting the gate into play and checking for 10 gates to win the game is all part of the same ability and all resolves at once