Flying (This creature can't be blocked except by creatures with flying or reach.), haste (This creature can attack, and as soon as it comes under your control.)
At the beginning of the end step, sacrifice Hell's Thunder.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)
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