You can play whatever color you like or choose the creature type to get the benefit
It saw brief play in Standard alongside Teferi, Who Slows the Sunset as you can go infinite with the pair and a creature with an untap ability
We see a similar drop in the second-most valuable card, as Shiny Charizard V falls by $13
You get to use your card on your turn before they get to use theirs, which is better for you than them, but more importantly, everyone else gets to take their turns before the player youve given two cards to gets to take theirs, which means those two cards theyve drawn might contribute to them helping you by stopping another one of your opponents from winning before it gets back to them
If youve never cast this before, we thoroughly recommend giving it a shot, because its always hilarious
It's virtual mana generation that your opponents can't interact with