Magnificent Mavens

If a card(s) is sent from the hand or Deck to your opponent's GY (except during the Damage Step): You can Special Summon this card from your hand, then you can Special Summon 1 Level 4 EARTH Fairy monster from your GY, except "Agido the Ancient Sentinel". If this card is sent from the hand or Deck to the GY: You can activate this effect; each player sends the top 5 cards of their Deck to the GY (or their entire Deck, if less than 5), then, if "Exchange of the Spirit" is in your GY, you can send 5 more cards from the top of either player's Deck to the GY. You can only use each effect of "Agido the Ancient Sentinel" once per turn.

Agido the Ancient Sentinel

When an opponent's monster declares an attack: Destroy the 1 monster your opponent controls with the highest ATK (your choice, if tied), and if you do, inflict damage to your opponent equal to its original ATK, then if "Exchange of the Spirit" is not in your GY, you take damage equal to the damage they took. If this card is sent from the hand or Deck to the GY: You can target 1 Level 4 EARTH Fairy monster in your GY; add it to your hand. You can only use each effect of "Blast Held by Destiny" once per turn.

Blast Held by Destiny

If you control 3 or more EARTH Fairy monsters: Send as many monsters from the field to the GY as possible (min. 1), then each player can Special Summon monsters from their opponent's GY to their own field, up to the number of monsters sent to their opponent's GY by this effect, then, if a monster was Special Summoned by this effect and "Exchange of the Spirit" is in your GY, you can Set 1 Trap directly from your Deck. It can be activated this turn. You can only activate 1 "Exchange of Despair and Hope" per turn.

Exchange of Despair and Hope

If a card(s) is sent from the hand or Deck to your opponent's GY (except during the Damage Step): You can target 1 Special Summoned monster your opponent controls; Special Summon this card from your hand, then return that monster to the hand. If this card is sent from the hand or Deck to the GY: You can activate this effect; each player sends the top 5 cards of their Deck to the GY (or their entire Deck, if less than 5), then, if "Exchange of the Spirit" is in your GY, you can Set 1 Trap from your GY. You can only use each effect of "Kelbek the Ancient Vanguard" once per turn.

Kelbek the Ancient Vanguard

You can discard 1 other EARTH Fairy monster; Special Summon this card from your hand, then add 1 "Exchange of the Spirit" or 1 card that mentions it from your Deck to your hand. (Quick Effect): You can banish this card from your field or GY, then target up to 3 cards in any GY(s), or up to 5 if "Exchange of the Spirit" is on your field or in your GY; shuffle them into the Deck. You can only use each effect of "Keldo the Sacred Protector" once per turn.

Keldo the Sacred Protector

You can discard 1 other EARTH Fairy monster; Special Summon this card from your hand, then you can place 1 "Gravekeeper's Trap" from your Deck face-up in your Spell & Trap Zone. (Quick Effect): You can banish this card from your field or GY, then target up to 3 cards in any GY(s), or up to 5 if "Exchange of the Spirit" is on your field or in your GY; shuffle them into the Deck. You can only use each effect of "Mudora the Sword Oracle" once per turn.