Defect Card Tier List

Complete tier list for all Defect cards in Slay the Spire 2. This guide ranks cards from S-tier (must-pick) to C-tier (situational), helping you build winning Lightning, Frost, and Dark Orb decks.

Defect Archetypes

Lightning Orbs

Stack Focus and channel Lightning Orbs for passive AoE damage.

Frost Orbs

Channel Frost Orbs for passive block generation.

Dark Orbs

Dark Orbs scale damage over time for massive burst.

S-Tier: Must-Pick Cards

Echo Form

Play first card each turn twice. Game-winning power.

Spinner

Generates energy and orbs. Incredible value.

Defragment

Gain 1 Focus permanently. Essential for all orb builds.

Supercritical

Massive Focus gain. Scales orbs exponentially.

Glacier

Channel 2 Frost Orbs. Best defensive card.

Skim

Draw 3-4 cards for 1 energy. Incredible card draw.

Double Energy

Gain 2 energy. Enables explosive turns.

Modded

Gain energy at turn start. Permanent energy scaling.

Genetic Algorithm

Block that increases permanently. Infinite scaling.

A-Tier: Excellent Cards

Hologram

Glasswork

Chill

Compact

Buffer

Coolant

Machine Learning

Shatter

Rainbow

Consuming Shadow

Multi-Cast

Signal Boost

Reboot

B-Tier: Solid Cards

Coolheaded
Turbo
Chaos
Fusion
Shadow Shield
Darkness
Boot Sequence
Compile Driver
Charge Battery
Leap
Lightning Rod
Tesla Coil
Ball Lightning
Go for the Eyes
FTL
Rip and Tear
White Noise
Sunder

C-Tier: Situational Cards

Voltaic
Capacitor
Thunder
Hailstorm
Iteration
Trash to Treasure
Creative AI
Meteor Strike
Adaptive Strike
All for One
Feral
Fight Through
Sweeping Beam
Cold Snap
Momentum Strike
Focused Strike
Barrage
Beam Cell
Gunk Up
Scrape
Rocket Punch
Overclock
Scavenge
Null
Synthesis
Refract
Ice Lance
Flak Cannon
Bulk Up
Smokestack

Defect Deck Building Tips

Do's

  • ✓ Prioritize Focus scaling (Defragment, Supercritical)
  • ✓ Take card draw early (Skim, Coolheaded)
  • ✓ Mix orb types for versatility
  • ✓ Upgrade Defragment first
  • ✓ Channel multiple orbs per turn

Don'ts

  • ✗ Don't ignore Focus - it's essential
  • ✗ Don't take too many expensive cards
  • ✗ Don't rely on one orb type only
  • ✗ Don't skip defensive orbs (Frost)
  • ✗ Don't bloat your deck

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