Blood Dragons Pact 337 (Radiant Origins)

Ally Link (This object enters the field linked to target ally. If the link is broken, sacrifice this object.) Linked ally gets +4 Power and +4 Life. At the beginning of your end phase, deal 4 unpreventable damage to your champion.

NM - $1.20
LP - $1.00
MP - $0.70
HP - $0.70
DMG - $0.70