carrying on his will booster box msrp Prices | One Piece and Sabo return as new Leader cards in OP Thoughts on unsealed boxes selling

They carry the SR designation and represent the strongest, most competitive-demand cards in any given set

If any abilities trigger when you sacrifice permanents, those abilities won't be put onto the stack until after you've drawn cards

Like most Magic: The Gathering cards, the value of I Know All, I See All depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Archenemy Schemes)

Because he requires some setup to really get a ton of value, he is more of a late game card

The Non-Human Elephant Nightmare in the Room Mutate is one of the most complicated Magic mechanics Ive ever seen (this side of Morph)