The way I read the card is that on the floor, youre paying three mana for one free equip each turn, and the ability to move around equipment during combat
Legendary Artifact Color tag templates(None) Esper Sentinel Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays , where X is this creature's power
First, it takes longer to exhaust a larger supply of sealed product, but more importantly, the larger a sets print run, the less rare the individual cards are too, which tends to lower the price of a sealed product
Well, yeah, especially when the cost to play it is only one mana in the first place
However, it doesn't have a lot of recursion and seems to be all over the place with its actual win condition
Thoughtseize is great for a reason