Planekiller ooze

Devour 3, afflict 3
When planekiller ooze attacks, defending player
may sacrifice a land, if they do, put a +1/+1
counter on planekiller ooze and remove it from
combat
Whenever planekiller ooze becomes blocked, you
may destroy target blocking creature, if you do,
sacrifice a land and put a +1/+1 counter on planekiller ooze