Tenacity of the Monarchs [SECE-EN061] Rare Booster Boxes the Fusion Material Monsters that

the Fusion Material Monsters that are listed on a Fiend-Type Fusion Monster Card

Set: The Infinity Chasers Card type: Normal Spell Rarity: Super Rare Target the 1 Xyz Monster you control with the highest Rank (your choice

also it cannot be destroyed by battle with a "Kaiju" monster

No problem

You can only use this effect of "The Phantom Knights of Cursed Javelin" once per turn

Tenacity of the Monarchs [SECE-EN061] Rare Booster Boxes the Fusion Material Monsters thatSet: Secrets of Eternity Card type: Normal Spell Rarity: Rare Reveal 1 monster in your hand with 2400 ATK & 1000 DEF, or 2800 ATK & 1000 DEF; add 1 "Monarch" Spell Trap Card from your Deck to your hand, except "Tenacity of the Monarchs". You can only activate 1 "Tenacity of the Monarchs" per turn.