Dialga (SL2) [HeartGold & SoulSilver: Call of Legends] XY168 Set: Arena League 2001 Type:

Set: Arena League 2001 Type: Instant Rarity: Rare Cost: {1}{B} Target player sacrifices a creature

{T}: Untap target attacking creature you control

Set: Judge Gift Cards 2010 Type: Creature — Shapeshifter Rarity: Rare Cost: {3}{U}{U} {U}: Untap Morphling

and it can block creatures with flying

Set: Limited Edition Beta Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

Dialga (SL2) [HeartGold & SoulSilver: Call of Legends] XY168 Set: Arena League 2001 Type:Set: HeartGold & SoulSilver: Call of Legends Type: Metal Rarity: Ultra Rare Retreat cost: Colorless,Colorless,Colorless