urza's legacy booster box Skittering Skirge MTG Urza's Legacy Booster Box

The Legendary MissingNo

So in this case, for instance, you get to steal a card from the top of an opponent's library and cast it whenever you like

Hyper Librarian lets you draw a card for every time you synchro summon

Eldlich the Golden Lord is phenomenally difficult to deal with because it can return itself to the hand and then special summon itself with 1000 bonus ATK, making it a nightmare to deal with in battle

Karn shuts off opposing Moxes in addition to doing normal Karn things, Narset has an abundance of card draw to hate and super-powerful restricted cards to find, and Oko generally plays too fair a game