Seasonal Retail Takeover

Nonbasic lands have cumulative upkeep: pay 1 life
Whenever a player sacrifices a nonbasic land, that
player creates a tapped basic land token named
"Spirit Halloween" with all basic land types and
"Whenever this land is tapped for mana, it does
not untap during its controller's next untap step."
Halloween Sale -{4}{b}{b}{g}: For each token named
"Spirit Halloween" on the battlefield, create a 2/2
creature token with Changeling and Decayed