Here are some powerful cards you can find very cheaply
As a result, it's really hard to speculate about how good some of these cards could end up being in practice
If you want less math, Hanweir Garrison would make a straight four attacking humans every turn, and Elder Gargaroth would make two 3/3 beasts
Lilianas Other Contract // Lilianas Undead Minion Liliana's Other Contract gives you a decent number of cards, but the real fun part of this card comes from its Lilianas Undead Minion side
The gap between this card and the Garchomp SAR reflects Cynthias broader international popularity, but Ethans Ho-Oh holds firm as the sets secondary chase card with a stable collector base
Black Acornelia, Fashionable Filcher If you like squirrels, Acornelia, Fashionable Filcher is the commander for you