Mardu Ascendancy [Khans of Tarkir Prerelease Promos] Commander 2018 It can't be regenerated

It can't be regenerated

Set: Legends Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{U}{U}{B}{B}{R}{R} Flying

As long as enchanted creature is blue

Whenever you cast a creature spell with mana value 5 or greater

Set: Oath of the Gatewatch Prerelease Promos Type: Creature — Eldrazi Rarity: Mythic Cost: {6}{G} Devoid (This card has no color

Mardu Ascendancy [Khans of Tarkir Prerelease Promos] Commander 2018 It can't be regeneratedSet: Khans of Tarkir Prerelease Promos Type: Enchantment Rarity: Rare Cost: {R}{W}{B} Whenever a nontoken creature you control attacks, create a 1 1 red Goblin creature token that's tapped and attacking. Sacrifice Mardu Ascendancy: Creatures you control get +0 +3 until end of turn.