Halfdane [Legends] 249 Spend this mana only to

Spend this mana only to cast artifact spells

(The next time this creature would be destroyed this turn

Set: Sun & Moon: Burning Shadows Type: Fairy Rarity: Ultra Rare Retreat cost: Colorless

Set: EX: Crystal Guardians Type: Grass Rarity: Uncommon Retreat cost: Colorless

/ Which tells us the way to go

Halfdane [Legends] 249 Spend this mana only toSet: Legends Type: Legendary Creature Shapeshifter Rarity: Rare Cost: {1}{W}{U}{B} At the beginning of your upkeep, change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep. Hail from Tolaria the ever changing 'Dane.