Quarter Century Stampede

When this card is Normal Summoned, you can add 1 "The Agent" monster from your Deck to your hand, except "The Agent of Mystery - Earth". While "The Sanctuary in the Sky" is face-up on the field, you can add 1 "Master Hyperion" from your Deck to your hand instead.

The Agent of Mystery - Earth

Quarter Century Bonanza

You can Special Summon this card (from your hand) by banishing 1 "The Agent" monster from your hand, field, or Graveyard. Once per turn: You can banish 1 LIGHT Fairy-Type monster from your Graveyard, then target 1 card on the field; destroy that target. While "The Sanctuary in the Sky" is on the field, you can activate this effect up to twice per turn.

Master Hyperion

25th Anniversary Tin: Dueling Heroes Mega Pack

You can banish 1 "The Agent of Creation - Venus" from your GY; Special Summon this card from your hand. You can pay LP in multiples of 500, then for every 500 LP paid, target 1 of your "Mystical Shine Ball" that is banished or in your GY; Special Summon them, but place them on the bottom of the Deck when they leave the field. You can only use 1 "The Agent of Destruction - Venus" effect per turn, and only once that turn.

The Agent of Destruction - Venus

Ghosts From the Past: The 2nd Haunting

2 Fairy monsters
If this card is Link Summoned: You can send 1 "The Sanctuary in the Sky" or 1 card that mentions it from your Deck to the GY, or if "The Sanctuary in the Sky" is on the field or in either GY, you can add 1 "The Agent of Mystery - Earth" from your Deck or GY to your hand instead. You can Tribute 1 Fairy monster, then target 1 card your opponent controls; destroy it. You can only use each effect of "Protector of The Agents - Moon" once per turn.

Protector of The Agents - Moon

You can pay 500 LP; Special Summon 1 "Mystical Shine Ball" from your hand or Deck.

The Agent of Creation - Venus

If "The Sanctuary in the Sky" is on the field, you can Special Summon this card (from your hand). Once per turn: You can send 1 "The Agent" monster from your Deck to the Graveyard, and if you do, this card's Level becomes the Level of the monster sent to the Graveyard by this effect.

The Agent of Entropy - Uranus

This card is unaffected by any Spell Cards. While you control a face-up "The Sanctuary in the Sky" and your Life Points are higher than your opponent's, this card gains ATK and DEF by the difference between your and your opponent's Life Points.

The Agent of Force - Mars

While your Life Points are higher than your opponent's, you can Tribute this card to inflict damage to your opponent equal to the difference. If you do not control a face-up "The Sanctuary in the Sky", this effect is not applied. You cannot conduct your Battle Phase the turn you activate this effect.

The Agent of Judgment - Saturn

You can discard this card; Special Summon 1 "The Agent" monster from your hand or GY, except "The Agent of Life - Neptune", or, if "The Sanctuary in the Sky" is on the field or in either GY, you can Special Summon 1 "Hyperion" monster instead. Neither player can Tribute a monster Summoned with this effect, until the end of your opponent's turn. If this card is banished: You can add 1 "The Sanctuary in the Sky" from your Deck to your hand. You can only use each effect of "The Agent of Life - Neptune" once per turn.

The Agent of Life - Neptune

Once per turn, you can remove from play 1 "The Agent" monster in your Graveyard to select 1 face-up LIGHT Fairy-Type monster you control. The selected monster gains 800 ATK until the End Phase. While "The Sanctuary in the Sky" is face-up on the field, once per turn, you can discard 1 Fairy-Type monster to select 1 of your removed from play LIGHT Fairy-Type monster, and Special Summon it.

The Agent of Miracles - Jupiter

During your Standby Phase, if you controlled this face-up card and had no cards in your hand at the end of the opponent's last End Phase: Draw 1 card.

The Agent of Wisdom - Mercury

1 Tuner + 1+ non-Tuner monsters
(This card is always treated as a "The Agent" card.)
Once per turn: You can banish 1 monster from your GY, then target 1 Effect Monster on the field; change it to face-down Defense Position. This is a Quick Effect if "The Sanctuary in the Sky" is on the field or in either GY. You can banish this card from your GY; add 1 "The Sanctuary in the Sky" from your Deck or GY to your hand. You can only use this effect of "The Executor of the Underworld - Pluto" once per turn.

The Executor of the Underworld - Pluto

Activate 1 "The Sanctuary in the Sky" directly from your Deck, or add 1 monster that mentions "The Sanctuary in the Sky" from your Deck to your hand, then, if "The Sanctuary in the Sky" is on the field or in either GY, you can gain 500 LP for each "Hyperion" and "The Agent" monster you control. If your monster that mentions "The Sanctuary in the Sky" would be destroyed by battle, you can banish this card from your GY instead. You can only use each effect of "The Sacred Waters in the Sky" once per turn.

The Sacred Waters in the Sky

Battle damage to the controller of a Fairy monster from a battle involving that monster becomes 0.