Many folks have wasted their energy hand-wringing over the ethical implications of printing your own cards for a game designed for ages 13 and up
Among MTG 's new Edge of Eternities cards is one called Weapons Manufacturing, which creates a Munitions token whenever a nontoken artifact enters the battlefield, and this token deals 2 damage to any target when it leaves the field
Blightsteel can just kill a player out of nowhere, and combined with our haste enablers, tutors, and Rite of Replication
If your deck needs to win early or has ways to filter weaker cards later in the game and has a healthy number of cards this accelerates it should probably be a consideration for your deck (assuming it as already blue which most artifact heavy decks are)
Equipped creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, draw a card, then discard a card." Equip Equipped creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, draw a card, then discard a card." Equip Artifact - Equipment Goggles of Night Whenever equipped creature deals combat damage to a player, scry 1, then draw a card
Sometimes you have too many lands in hand and want interaction from your library instead