Einhel of the Warsong

Deploy, Charge Link

Charge Bonus-Volnar {Warrior): A Volnar (Warrior) unit that has this as 1 of its charges loses Charge Shield if it has 2 or more charges, and it has the following ability:) When this attacks, choose 1 {Martial Skill) event card in your graveyard. You may [DR equal to the card's level] to play it without paying its cost. If you do, put that event on the bottom of your deck instead of your graveyard after it resolves