mtg red vampire cards Vampiric Fury [Innistrad] Create a Blood token. Amaris first of the blood

Maverick Thopterist, for its ability to ramp up the artifact count, put wide pressure on the board with Cranial Plating, and trump efficient removal spells like Lightning Bolt, seems better suited to Modern

Cards that sacrifice themselves like Mishra's Bauble are fair game too

I love that this is an attack trigger and not an on-damage trigger, because it turns your forces into serious beaters every time you swing

Especially when Tezzeret, Betrayer of Flesh can transform the produced Incubate 3 and Incubate 4 tokens for free in two subsequent turns

If you're open to recommendations, here are some potential powerhouses

Its a lot easier to get working to kill a player than other similar effects