Aren-dais Dundragon

Hexproof
Heroic — When Aren-dais Dundragon enters the battlefield with other Champions you control,
place a +1/+1 counter on him and he gains
vigilance.
{2}, {t} — A target spell with total mana cost of 6 or
less that you played and sent to the graveyard this
turn can be played again without paying it's mana
cost again.