Gellenduo [STON-EN067] Secret Rare Ra Yellow Mega Pack The Special Summoned monster is

The Special Summoned monster is treated as if it were Special Summoned by the effect of a "Gladiator Beast"

Set: Duel Terminal 1 Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 2300 Defense: 1400 1 Tuner + 1 or more non-Tuner monsters You can discard any number of cards to the Graveyard

Set: Duelist Saga Card type: Spirit/Effect Monster Rarity: Ultra Rare Attack: 1100 Defense: 1400 Cannot be Special Summoned

This card cannot be destroyed by card effects

you can Normal Summon this card without Tributing

Gellenduo [STON-EN067] Secret Rare Ra Yellow Mega Pack The Special Summoned monster isSet: Strike of Neos Card type: Effect Monster Rarity: Secret Rare Attack: 1700 Defense: 0 This card cannot be destroyed by battle. When this card's controller takes any damage, destroy this card. If you Tribute Summon a LIGHT Fairy Type monster, you can treat this 1 monster as 2 Tribute Monsters for the Tribute Summon.