There are many imitations (Vengeful Bloodwitch, Cruel Celebrant), but none will beat the symmetrical effect and 2-mana casting cost of Blood Artist
With its thousands of cards, experimental mechanics, and player ingenuity, it is impossible for Wizards of the Coast's R&D team to account for the nearly-infinite possibilities for any card
The set name hasnt been given
The Toolbox: Acidic Slime, Bane of Progress, Mulldrifter, Prime Speaker Zegana, Scourge of Fleets, Soul of the Harvest, Whiptongue Hydra While there are likely dozens of acceptable choices for utility creatures, I believe these seven serve the purpose of supplying us with ample card draw and removal attached to bodies
Aside from that, its a giant flash ambusher that can chew through enemy graveyards to recur itself and make itself unblockable at will
But mana is often very good even in Standard these days