It rewards smart decisions and punishes sloppy play
There's a big advantage to sneaking it onto the battlefield, despite the cost, because when it deals combat damage to an opponent, you can pull a creature from that player's graveyard, which then enters the battlefield under your control, tapped and attacking that player
This means that players are able to gain additional inkwell power, whilst also benefiting from the effects of the song card they played in the first place
Skullclamp is also perfect for green because you tend to run a multitude of 1-toughness critters that will draw you two cards per equip
3 mana to draw 2 and then auto-sacrifice a creature is fine too, there's uses for that
Equipped creature has "If a creature dying causes a triggered ability of this creature or an emblem you own to trigger, that ability triggers an additional time." Equip The Masamune Rarity: Rare TYPE: Legendary Artifact SUBTYPE: Equipment CMC: 3 Mana cost: USD: $1.03 EUR: 0.47 TIX: 0.02 EDHREC RANK: 3946 As long as equipped creature is attacking, it has first strike and must be blocked if able
