The Mind Crusher

Begin the game with this card revealed.
During your upkeep, each player puts the
top 2 cards of their library into the graveyard.
Whenever a player casts a spell, they must
send the top 3 cards of their library into
the graveyard or the spell is countered.
Whenever a player attacks, they must
send the top 3 cards of their library into
their graveyard or the creature is exiled.