Aftermaths

Enchant land.
If enchanted land becomes tapped or untapped,
deal 1 damage to it's owner.
If enchanted land is used to summon a creature,if
it's not a radioactive creature it has "Cumulative
upkeep- {1}Add a -1/-1 counter on this creature"
and "if this creature dies, create a copy of
Aftermaths and enchant target land under
your control".