ネクロバインダー オスティビルド
オスティを止められない力に変える。召喚効果を積み上げてオスティのHPを構築し、圧倒的な攻撃力を発揮。
Core Cards
Strategy Guide
Overview
Osty is the Necrobinder's loyal companion — it starts each fight at 1 HP and auto-blocks attacks targeting you. Every Summon effect adds HP to Osty. With enough Summon cards, Osty can reach 50-100+ HP, becoming an enormous damage sponge. Reanimate deals damage equal to Osty's current HP. Borrowed Time generates Energy when you Summon. The strategy: feed Osty, protect yourself, then unleash Osty's stored power.
Act 1 — Early Game
Bodyguard (starting deck) provides your first Summon source. Invoke is the best Act 1 pickup — it Summons and generates Souls for draw. Wisp is a cheap Common Summon card. Grave Warden is the most important common — it generates Block AND Souls. In Act 1, Osty absorbs most hits for you, so focus on Summon cards over defense. Poke and Flatten provide early damage while Osty tanks.
Act 2 — Mid Game
Dirge is the premium Summon card — large HP addition to Osty plus additional effects. Borrowed Time is transformative: gain Energy whenever you Summon. With 3+ Summon cards per turn, Borrowed Time generates 3+ Energy, enabling massive turns. Pull Aggro ensures Osty tanks all incoming damage. Sentry Mode gives Osty attack capabilities. Calcify provides Osty with Plated Armor for passive healing.
Act 3 — Late Game
With Osty at 50+ HP, Reanimate deals that amount as damage — often enough to one-shot enemies. Sacrifice kills Osty but deals AoE damage equal to its HP. Forbidden Grimoire (Ancient) provides incredible power if found. Soul Storm deals damage per Soul generated — combined with Grave Warden and Reave, this becomes a secondary win condition. Against bosses, build Osty for 3-4 turns, then Reanimate for the kill.
Card Acquisition Priority
Premium Summon card. Large HP boost to Osty with additional effects.
Gain Energy per Summon. Turns Summon-heavy turns into explosive Energy generation.
Deal damage equal to Osty's HP. Your primary win condition — 50 HP Osty = 50 damage hit.
Summon + Soul generation. Core engine card for both Osty and Soul resources.
Block + Soul generation. The best common card for Necrobinder — take every copy.
Cheap Summon source. Low cost means you can play multiple Summons per turn.
Force all enemies to target Osty. Protects the Necrobinder when Osty has high HP.
Osty attacks automatically. Turns Osty into an offensive weapon alongside being a shield.
Flex / Alternative Cards
When core cards aren't available, these alternatives keep the build functional.
Relic Priority
Necrobinder's starter relic. Ensures Osty persists and is resummoned automatically.
Draw 2 extra cards turn 1. Find Summon cards faster to build Osty early.
Start with 10 Block. Extra protection while Osty is still small.
Powers cost 0 after playing a Power. Borrowed Time and Sentry Mode benefit greatly.
Heal 12 HP when below 50% after combat. Necrobinder has the lowest HP at 66.
+1 Strength buffs Reanimate and all attack damage.
Enemies gain +1 Strength. Necrobinder's low HP (66) can't afford enemies hitting harder.
Gold is crucial for purchasing Rare Summon cards and relics from shops.
Knowing enemy intent matters — you need to decide when Osty blocks vs when to Reanimate.
Boss Strategy Tips
Guardian
Build Osty during early turns. Osty auto-blocks Guardian's attacks while you stack Summons. Once at 40+ HP, Reanimate during Guardian's attack phase for a devastating counter.
Hexaghost
Let Osty absorb the Inferno damage — make sure Osty has 40+ HP before turn 2. After Inferno, Osty survives (losing HP but alive), and you can rebuild or Reanimate for the kill.
Slime Boss
Build Osty past 50 HP, then Reanimate to burst through the split threshold. After the split, Osty continues tanking while you deal with the halves. Bone Shards for AoE cleanup.
Time Eater
Summon-heavy turns can hit the 12-card limit. Be strategic — play Summons and Reanimate, but don't over-extend. Osty's auto-block doesn't count as card plays, which helps.
Collector
Osty is perfect here — it tanks all attacks from the Collector AND minions. Build Osty while minions waste their attacks, then Reanimate the Collector directly.
Frequently Asked Questions
What happens when Osty dies?
When Osty reaches 0 HP, it dies but is automatically resummoned at 1 HP next turn (thanks to Bound Phylactery and Die For You). You can rebuild Osty's HP immediately with Summon cards. The one-turn gap is the danger window.
Should I sacrifice Osty or use Reanimate?
Reanimate deals single-target damage and keeps Osty alive. Sacrifice kills Osty but deals AoE damage. Use Reanimate for bosses, Sacrifice for multi-enemy fights. Having both gives flexibility.
How many Summon cards do I need?
6-8 Summon sources is ideal. This ensures you can rebuild Osty quickly even after it takes big hits. Dirge, Invoke, Wisp, and Bodyguard form the core. More is better until your deck gets too diluted.
What's the role of Souls in this build?
Souls are generated by Grave Warden, Invoke, Reave, and other cards. They power card draw and certain damage effects like Soul Storm. Grave Warden is the primary Soul engine — upgrade it early.
Is this build viable without Reanimate?
Yes, but slower. Osty still tanks everything and Sentry Mode lets it deal damage automatically. Bone Shards and other attacks handle damage. Reanimate is the burst finisher, but the build functions without it.