Yu-Gi-Oh! GX Duel Academy promotional cards

Once, while this card is in the Graveyard, 1 Level 5 or higher "Elemental HERO" monster you Normal Summon can be Summoned without Tributing.

Elemental HERO Necroshade

Target 1 Warrior-Type monster with 1500 or less ATK; equip this card to that target. Monsters your opponent controls with 1900 or more ATK cannot attack that target.

Hero Ring

If this card on the field is destroyed and sent to the GY: For the rest of this turn, you take no battle damage.