Flat-top spindlebranch

{t}, add 1 mana of any colour
{2}, Sacrifice this land, roll a dice
for each creature all opponents control.
On a 1-10 put a -1/0 counter on that
creature, on a 11-20 put a 0/-1 counter
on that creature.
Cards you control have "Pay {1}, Sacrifice
this card, draw a card."