Armor of Blood

Whenever a creature you control attacks or blocks it gains indestructible until end of turn. If you would take combat damage from a creature your opponents control you may instead discard a card to deal the damage to target creature an opponent controls. Whenever a creature an opponent controls with power or toughness 6 or greater dies, you may put a +1/+1 counter on target creature and gain life equal to its converted mana cost. All creatures with +1/+1 counters on them have vigilance