Blowouts from Settle the Wreckage, Cyclonic Rift, or Counterspell will become issues of the past as you cast big spells, attack with your creatures, or simply lay critical groundwork for future turns
Monastery Mentor is quite clearly going to be a Standard pillar, and probably also a role-player in both Modern and Legacy
This is an aggressive, attack-oriented deck that often gains benefits from launching attacks
If your deck cares about lands, has a high average mana cost, or has lands that function more like spells, you skew the land count higher
The stat-line's bad, but I think you'll be able to use this to rebuy an enters trigger twice the turn it comes down a decent chunk of the time, and it turns into a pretty insane value engine if left unchecked
Chainer fixes this problem immediately, but allowing its controller to discard a creature in order to be able to cast a creature from their graveyard that turn