Grafted Blade Greatsword

When Grafted Blade Greatsword enters the battlefield, you may sacrifice any number of
Equipment. If you do, put that many blade
counters on Grafted Blade Greatsword.
Equipped creature gets +X/+X and can't be
blocked by creatures with power X or less,
where X is 1 plus the number of blade
counters on Grafted Blade Greatsword.
Equip {2}