Sacrifice+
Retain.
If Osty is alive, he dies and you gain Block equal to double his Max HP.
Retain.
If Osty is alive, he dies and you gain Block equal to double his Max HP.
Sacrifice
Base
Retain.
If Osty is alive, he dies and you gain Block equal to double his Max HP.
Upgraded +
Retain.
If Osty is alive, he dies and you gain Block equal to double his Max HP.
Card Synergies 4
Bodyguard+
Summon 5.
Summon 7.
Necro Mastery+
Summon 5.
Whenever Osty loses HP, ALL enemies lose that much HP as well.
Summon 8.
Whenever Osty loses HP, ALL enemies lose that much HP as well.
Reanimate+
Summon 20.
Exhaust.
Summon 25.
Exhaust.
Spur+
Retain.
Summon 3.
Osty heals 5 HP.
Retain.
Summon 5.
Osty heals 7 HP.
Relic Synergies 4
Relic Anti-Synergies 1
