Tomb Swarms

Flying
When Tomb Swarms comes into play you can sacrefice {x} land permanents -
For each land permanent you sacrefice
Tomb Swarms gets 3 +1/+1 tokens
"Behold ! The dead, stinging ones shall come froth from
their abodes beneath the sands and their numbers shall
be beyond counting..."
Kharrahtut, Liche Priest of Quatar