(It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.") Blood tokens you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and equip
Mushu, Your Worst Nightmare, giving one of your characters Rush, Reckless, and Evasive means you're able to send a tank in to wreak havoc and send your opponents' characters to the discard
Darksteel Forge Darksteel Juggernaut Elspeth, Knight-Errant Guardian Beast Havi, the All-Father Inspirit, Flagship Vessel Mondrak, Glory Dominus Puresteel Angel (playtest) Sanctum Spirit Shuri's Fabricator Tegan Jovanka Tekuthal, Inquiry Dominus The Book of Vile Darkness Urza, Planeswalker
In addition to the sheer randomness of card draws and whatever deck their opponent is playing, players also are at a disadvantage if they go first
(#55 Overall) Ominous Roost This is a fun 3-drop uncommon that enables decks that build around casting things from the graveyard like flashback, disturb, or jump-start
Drawing strength from battle, Khornes followers in the 41st Millennium are bloodthirsty zealots who live for war, and this cards mechanics reflect that flavor