Kids today might not have seen Michael Jordan play, but he's the icon
Legendary Creature - Octopus Ninja Shark Creature (CTRL to add secondary) Drain Syr Konrad, the Grim Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad deals 1 damage to each opponent
At 14, you can do 10 damage to three targets but also 5 to eight
So small margins probably work because they are often something that is liquid and pretty repeatable
You'll get to keep all the cards from your Build & Battle Box, whether you use them in your deck or not
If you also control a nontoken Baron Bertram Graywater, that one's ability will also trigger, netting you another Vampire Rogue