チェーンソー/Chainsaw

Artifact - Equipment
When Chainsaw enters, it deals 3 damage to up to one target creature. <CR>
Whenever one or more creatures die, put a rev counter on Chainsaw. <CR>
Equipped creature gets +X/+0, where X is the number of rev counters on Chainsaw. <CR>
Equip {3}

Artifact - Equipment
When this Equipment enters, it deals 3 damage to up to one target creature. <CR>
Whenever one or more creatures die, put a rev counter on this Equipment. <CR>
Equipped creature gets +X/+0, where X is the number of rev counters on this Equipment. <CR>
Equip {3}