Gungnir, Spear of destiny

Equipped creature has "Whenever this creature
deals combat damage to a player all opponents
must put the top card of their library into their graveyard. You draw a card for each card put into
a graveyard this way"
If Odin, All Father enters the battlefield you may attach Gungnir, Spear of destiny to it without
paying its equip cost
Equip {3}