Gladiator Beast

Gladiator Beast is a control and grind deck that asks very little to get moving — a single monster reaching the Battle Phase is enough to trigger the archetype's central engine. Every Gladiator Beast monster shares a tag-out clause: after battling, it shuffles back into the Deck and recruits a replacement from the Deck in its place. That replacement arrives treated as though summoned by a Gladiator Beast effect, which activates a different on-entry ability depending on which monster is chosen. Gladiator Beast Murmillo destroys a face-up monster, Bestiari eliminates a Spell or Trap, Equeste recovers a Gladiator Beast card from the Graveyard, and Darius revives a fallen teammate — so each combat step doubles as a toolbox selection, matching the right answer to whatever the opponent presents.

Test Tiger accelerates this process without needing to wait for battle, tributing itself to shuffle a monster already on the field and immediately calling in a fresh replacement. Gladiator Beast Gistel adds another fast-start option by revealing itself alongside any Gladiator Beast in hand to Special Summon both simultaneously, putting two monsters into play before the Battle Phase has even begun. Secutor rewards a successful attack by pulling two monsters from the Deck at once, which in turn sets up the Fusion Summons that represent the deck's most damaging turns — Andabata, Domitianus, and the five-material Claudius all emerge by shuffling fielded monsters back into the Deck and hit considerably harder than anything the tag-out chain individually produces.

The deck tends to favour going second, since it needs to make contact with opposing monsters to chain its tag-outs efficiently. Going first, it relies more heavily on Gladiator Beast Dareios, whose Link Summon immediately adds a Gladiator Beast from the Deck when the opponent controls a monster, and on Dragases, which protects attacking Gladiator Beasts from battle destruction while sealing off opponent responses through the Damage Step.