Your opponent does get a creature while you are spending mana and potentially taking a turn to do nothing to your board, which is rarely a good thing, having a steady stream of Soldier tokens flooding the board can cause a lot of chaos in a game
Free enchantment recursion every turn is great, and it'll be incredibly easy to avoid those finality counters from mucking up your plans
The madness cards in the deck also work pretty well with Chainer, but they become just the fuel to feed the fires of getting cool creatures onto the battlefield with hasteeven if youre not casting them
[34] The rarities listed in increasing rarity are: Common (gray circle) Uncommon (white book) Rare (bronze triangle) Super Rare (silver diamond) Legendary (gold pentagon) Epic (rainbow semicircle with nib) Enchanted (rainbow hexagon) Iconic (rainbow octagon) The Epic and Iconic rarity were introduced in the Fabled set
Karn Liberated He does exactly what the Eldrazi need, but the mana cost and the financial cost are just too high for our purposes
The potential of this equipment in a flying/token matters deck is absurd, and even the little evasive commanders can become game winning threats on their own