most complicated mtg cards 10 absurd Magic: The Gathering Unfinity What are the most confusing

The base cards of the game were the same size as Magic card, but each pack came with one large card, basically the size of two standard-sized cards

Sentinel of Lost Lore also lets you mess with an opponents Adventure card in exile

Untapping Grim Monolith and Thran Dynamo, and occasionally even Mana Vault, it grants extra mana even the turn you put it into play and turns what was supposed to be a one time boost of mana into a bigger continuous boost of mana while having additional side uses untapping other things, with the traditional creature worth untapping being Phyrexian Colossus

Mana fixing, allows to enter untapped, or not if not necessary

it is just 10 of the first ones to go

Those abilities can be put on the stack in either order (if you control them both), and they'll both resolve before the spell that caused them to trigger