Strip Mall

Sacrifice a Swamps or Mountains as cost to cast this spell.
{t} Create a treasure token and {w}
{x}{t} Gentrify — sacrifice a land other than Plains - Until the end of this turn, all Black and Red creatures gain the following effect:
• When this creature is sacrificed, create half of {x} treasure tokens rounded down. Treasure tokens created through this effect must be sacrificed by the end of this turn.