Valafar, Reawakened

If Valafar has ten or more charge counters, you win the game.
Defender, shroud.
{p/b}: Valafar does 3 damage to any target.
{p/b}{p/b}: Each player discards a card. Valafar gets a charge counter.
{p/b}{p/b}{p/b}: Valafar does 6 damage to each creature. Valafar gets a charge counter.
{p/b}{p/b}{p/b}{p/b}: Valafar gets three charge counters.