Beyond the Brave

You can Normal Summon this card without Tributing. You can only use each of the following effects of "Hubrow, Founder of the Ominous Observers" once per turn. If this card is Normal or Special Summoned: You can send 1 Level 6 or higher Zombie monster from your Deck to the GY, except "Hubrow, Founder of the Ominous Observers", then you can add 1 Level 6 or higher Zombie monster from your GY to your hand. If a monster(s) is Special Summoned from the GY, while this card is in the Monster Zone, you can (except during the Damage Step): Immediately after this effect resolves, Xyz Summon 1 Zombie Xyz Monster.

Hubrow, Founder of the Ominous Observers

Blazing Dominion

If this card is in your hand: You can discard 1 other card; Special Summon this card. If an Xyz Monster(s) is sent to the GY, while this card is in your GY (except during the Damage Step): You can banish this card; Special Summon 1 Zombie monster from your GY. During the Standby Phase of the next turn after this card was banished: You can target 1 Zombie Xyz Monster you control; attach this banished card to it. You can only use each effect of "Officiating Reverie" once per turn.

Officiating Reverie

2 Level 6 monsters
During the Main Phase (Quick Effect): You can detach 1 material from this card, then target 1 Zombie monster in your GY; Special Summon it, then you can negate the effects of 1 monster your opponent controls with ATK less than or equal to that monster. If this card is sent to the GY: You can target 1 monster in either GY; shuffle it into the Deck. You can only use each effect of "Officiator of Doom Samuel" once per turn.