Gungnir, Dragon of the Ice Barrier [DT03-EN040] Ultra Rare Innistrad Can be drawn on with

Can be drawn on with ANY non-permanent marker (including dry wipe)

where X is that creature's mana value

0: Draw a card

−4: Put target creature or planeswalker card from a graveyard onto the battlefield under your control

but it *is* legally binding

Gungnir, Dragon of the Ice Barrier [DT03-EN040] Ultra Rare Innistrad Can be drawn on withSet: Duel Terminal 3 Card type: Synchro Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 1700 1 Tuner + 1 or more non Tuner WATER monsters Once per turn, you can discard up to 2 cards to the Graveyard to select the same number of cards your opponent controls. Destroy the selected cards.