Whenever a creature entering the battlefield under your control causes an ability of a permanent you control to trigger, draw a card. This ability triggers only once each turn.
“I've climbed thousands of glaciers and not seen the same view twice.”
Whenever you attack, if Cursed Claymore entered this turn, attach it to target attacking creature. Equipped creature gets +2/+1. As long as equipped creature is a Ruin, it's a creature in addition to its other types. Equip {2}