Verel, Dragonlord of Fire

Flying, Haste, Indestructible
When Verel enters the battlefield, it deals 20 damage to each creature your opponents control. For each opponent, destroy two target lands that player controls.
When Verel attacks, pay {x}. Exile the top X cards of your library, you may play those cards until the end of your next turn. Verel deals X damage to each creature your opponent's control.