Gun Devil Fragment

When Gun Devil Fragment enters the battlefield,
you may draw a card. If you do, discard a card.
A deck can have up to ten cards named Gun
Devil Fragment
{b}{b}, Sacrifice five artifacts named Gun Devil Fragment: Create The Gun Devil, a 10/10
legendary artifact creature devil with Flying, Indestructible, and Trample and "When this
creature enters the battlefield, destroy all other creatures."