Exxaxl, the chaotic evil rogue, infested by an illithid tadpole but hes at peace with it: Authors note: Chief likes to sort his cards by name - I sort them by color first, just like I do with my actual card collection so mine will follow a different structure
Counters on the team each combat is a nice way to spend that mana too
Creatures like Isshin, Two Heavens as One, Krenko, Tin Street Kingpin, or Karlach, Fury of Avernus can enter the battlefield and attack right away
Risen Executioner Sarcomancy Dregscape Zombie Gnawing Zombie Stromgald Crusader Festering Mummy Liliana's Mastery Skullclamp (+Bloodghast) Geralf's Messengers Grave Defiler Graveborn Muse Nantuko Husk Dark Ritual Liliana's Reaver Vindictive Lich Custodi Lich Noxious Ghoul + Patriarch's Bidding + Zombie Infestation and other potential discard outlets/tutors
The creature may have died before Liliana's Scrounger entered the battlefield, however