The Infinity Constructed format will still allow you to play with cards from any set
It's a subtle way to generate advantage, saving you from being 2-for-1d and shining in Limited and formats with small card pools
Even something signed by Martin Shkreli, once the most hated man in America, could be valuable
If, during your declare attackers step, one of the permanents you gained control of this way that's a creature is tapped or is affected by a spell or ability that says it can't attack, then it doesn't attack
Since it only costs one mana more than Naturalize, and green is the color with the best mana acceleration, Krosan Grip can replace Naturalize in virtually every mono-green deck , and you'll never feel the difference until split second wins you the game