Eternity Sword

Equip
Indestructible
Creature holding this Sword gets +5/+0.
If this card is drawn and the Eternal Forgemaster,The Eternity Forge and
the Infinity Anvil are not in play
then this card goes to the graveyard.
If the creature holding this card is destroyed
this card returns to your hand.
"This blade could cleave the world in two." The Eternal Forgemaster