为 Necromancer's Familiar 寻找最佳的标准套牌，包括其胜率、热度，以及该牌在万智牌：竞技场中的合法赛制！
Flying
Hellbent — This creature has lifelink as long as you have no cards in hand.
, Discard a card: This creature gains indestructible until end of turn. Tap it.
