I dont know the exact drop rates, and while Id love to know, its not really relevant what the rate is
If you untap with it, you unlock the Mulldrifter half of the card, drawing up to two cards per turn while spitting out extra board presence and Treasure tokens
Everything bounces off me and sticks to you: Change the target of target spell or ability that targets only you
The ultimate is kind of an afterthought here, mostly because you will want to get real cards with the +1, so the mana value of the cards you exile wont be that high, but there will be situations where you look at the board and just using Ashioks +1 twice to exile two expensive things, and then fire off the -7 will make sense
This scene is the perfect portrayal of Marill's peace and tranquility, featuring multiple Pokemon species all having fun in the water