2 monsters with different Types (Beast, Fiend, or Illusion)
This card’s name becomes «Chimera the Flying Mythical Beast» while on the field or in the GY. You can only use each of the following effects of «Berfomet the Mythical King of Phantom Beasts» once per turn. If this card is Fusion Summoned: You can send 1 Beast, Fiend, or Illusion monster from your Deck to the GY. During your opponent’s turn (Quick Effect): You can banish this card from your GY, then target 1 of your banished Beast, Fiend, or Illusion monsters, except «Berfomet the Mythical King of Phantom Beasts»; Special Summon it.

1 Tuner + 1+ non-Tuner «Blue-Eyes» monsters
Neither player can Special Summon 2 or more monsters at the same time. Once per turn, when an effect of a card in the GY is activated (Quick Effect): You can negate the activation. (Quick Effect): You can Tribute this Synchro Summoned card; Special Summon 1 LIGHT Dragon Synchro Monster from your Extra Deck in Defense Position, except «Blue-Eyes Spirit Dragon», but destroy it during the End Phase of this turn.

«Chimera the Flying Mythical Beast» + 1+ Illusion monsters
This card’s name becomes «Chimera the Flying Mythical Beast» while on the field or in the GY. This card can attack monsters a number of times each Battle Phase, up to the number of materials used for it. If this card battles a monster, neither can be destroyed by that battle. At the end of the Damage Step, if this card battled an opponent’s monster: You can change that opponent’s monster’s ATK to 0, also negate its effects.

1 Tuner + 1+ non-Tuner Synchro Monsters
Once per turn, when another monster’s effect is activated (Quick Effect): You can negate the activation, and if you do, destroy that monster, and if you do that, this card gains ATK equal to the destroyed monster’s original ATK until the end of this turn. If this card battles an opponent’s Level 5 or higher monster, during damage calculation: This card gains ATK equal to the current ATK of the opponent’s monster it is battling during that damage calculation only.

3 or more Level 7 monsters
You can also Xyz Summon this card by using 1 monster you control with «Number C101» through «Number C107» in its name as the Xyz Material. (Xyz Materials attached to that monster also become Xyz Materials on this card.) This card gains 1000 ATK for each Xyz Material attached to it. You can target 1 «Number» monster in your Graveyard; until your opponent’s next End Phase, this card’s name becomes that monster’s, and replace this effect with that monster’s original effects. You can only use this effect of «CXyz Barian Hope» once per turn.