Executive Summary

The "Therion" archetype operates on a unique design philosophy centered around the Graveyard. Therion monsters function as high-level "pilots" that Special Summon themselves from the hand by equipping a monster from the Graveyard, effectively donning them as powerful "power armor." This core mechanic defines their playstyle, creating a synergistic engine where monsters on the field gain the potent effects of the equipped Therions, most notably the powerful omni-negate from Therion "King" Regulus.

The Therion Arsenal

The Pilots

Therion "King" Regulus

The ace of the archetype. Provides a powerful and flexible omni-negate by sending a "Therion" card to the GY.

Therion "Lily" Borea

The primary searcher and enabler, adding any "Therion" Spell/Trap from the Deck to the hand.

Therion "Bull" Ain

Offers targeted destruction, clearing threats while setting up the Graveyard for further plays.

The Armory

Therion Discolosseum

The Field Spell that ensures consistency by searching any "Therion" monster on activation.

Endless Engine Argyro System

The primary Graveyard setup tool, sending any "Therion" card from Deck to GY to enable summons.

Therion Cross

A searchable Normal Trap that provides a monster negate and/or banish for crucial disruption.

Field Spell Deployment

The most reliable opening for the deck begins with its Field Spell, which immediately searches the key components needed to assemble your board and access the rest of the Therion pilots and their gear.

Therion Discolosseum
Missing: 84792926
1

Activate & Search

Activate Therion Discolosseum. Use its on-activation effect to add Therion "Lily" Borea from your Deck to your hand.

Therion "Lily" Borea
Missing: 83610035
2

Summon & Search Again

Use a card like Endless Engine Argyro System to send a monster to GY. Special Summon Borea by equipping that monster. Use Borea's effect to search for Therion Cross.

Therion "King" Regulus
Missing: 10604644
3

Deploy the King

With monsters now in the GY, you can easily Special Summon Therion "King" Regulus from your hand by equipping one of them, establishing your omni-negate.

The Fortress End Board

Therion "King" Regulus

Therion "King" Regulus
Missing: 10604644
  • Omni-Negate: Provides a powerful, repeatable negation against any card or effect.
  • High ATK: A formidable body that can be difficult for opponents to overcome in battle.

Set Therion Cross

Therion Cross
Missing: 43270827
  • Monster Interaction: Offers a targeted monster negate and/or banish.
  • Searchable Disruption: Easily accessed via "Lily" Borea, making it a consistent part of the end board.

Competitive Analysis

Strengths

  • Modular Engine: Can be splashed into various strategies (Plant, Machine) with minimal deck space.
  • Powerful Negation: Regulus provides a highly sought-after and resilient omni-negate.
  • Resource Loop: The GY-centric nature allows for recursion and a strong grind game.

Weaknesses

  • Graveyard Reliant: Extremely vulnerable to cards like Dimension Shifter, Macro Cosmos, and D.D. Crow.
  • Choke Points: The search effects of Discolosseum and Borea are prime targets for Ash Blossom & Joyous Spring.
  • Brick Potential: Drawing multiple high-level Therions without GY setup can lead to unplayable hands.

Key Tech Choices

  • Plant Link Engine: Synergizes perfectly with "Lily" Borea to create powerful end boards.
  • Machine Decks (ABC): Regulus is a natural fit, providing a much-needed negate.
  • P.U.N.K. Engine: Can quickly mill cards and make Level 8 Synchros, setting up the GY for Therion plays.

Current TCG Banlist Status

FULL POWER: The Therion archetype and its core support cards are currently unrestricted on the TCG banlist.

Meta Implications: With no restrictions on its key cards like "King" Regulus or Discolosseum, the Therion engine can be utilized at maximum efficiency in any compatible strategy. This allows it to remain a potent and relevant engine in the competitive landscape.

Banlist Impact

Fully Unrestricted

As of the current TCG format, the Therion archetype is entirely unrestricted, allowing it to operate at full capacity.

Maximum Consistency

Play any card at your preferred ratio without restrictions

Full Strength Plays

Access to all archetype synergies without limitations

Strategic Freedom

No banlist constraints holding back your strategy

Banlist Status Summary

analyzed • 0 restrictions found • All cards legal at 3 copies

Find Therion Decks

Explore deck lists from the YGOProDeck community featuring Therion. Find inspiration for your next build!