These abilities can only be used at Sorcery speed, but because the active player gets priority after a card enters the battlefield - you're pretty much guaranteed to be able to use of them before anyone can stop you
If you cant remove it, this is card advantage, board control, and a clock in one color-intensive package
It does a pretty decent job of getting to its combat win, although I would like it to have more consistency there (and maybe an alternate win condition)
Sell Bulk Lots on eBay or TCGPlayer If you have true bulk (the commons, uncommons, and $0.10 rares that aren't worth individual listings), selling in lots is the most practical move
Creature - Zombie Color tag templates(None) Gleaming Overseer When this creature enters, amass Zombies 1
Theyre both solid long-term plays, though Id rather focus elsewhere if you have limited investment capital