Delif's Cube [Fallen Empires] Ugin You may cast Tenacious Underdog

You may cast Tenacious Underdog from your graveyard using its blitz ability

"And darkness shall be cast from me For my soul resides in the Sun

then meld them into Chittering Host

Set: Future Sight Type: Creature — Imp Rebel Rarity: Common Cost: {2}{B} Flying

When Demanding Dragon enters the battlefield

Delif's Cube [Fallen Empires] Ugin You may cast Tenacious UnderdogSet: Fallen Empires Type: Artifact Rarity: Rare Cost: {1} {2}, {T}: This turn, when target creature you control attacks and isn't blocked, it assigns no combat damage this turn and you put a cube counter on Delif's Cube. {2}, Remove a cube counter from Delif's Cube: Regenerate target creature.