Not only is it a very powerful card that many control decks cant beat in long games, its also a card that is extremely really un-fun to play against
First, it mills each opponent, whereas most cards that mill are target player, like Glimpse the Unthinkable
[80] Initial design [edit] Garfield returned to Pennsylvania and set out to design the game's core rules and initial cards, with about 150 completed in the few months after his return
Legality depends on the tournament format -- Wheel and Deal can be legal in some formats and banned or restricted in others
Second, the card wasn't just good, it was very good, like best deck in Standard good alongside Wilderness Reclamation to generate the extra mana to cast it
One more note before we dive into the hot fires of Modern