Lethe Lake (Planes) [Planechase Planes] BW76 you can select and activate

you can select and activate 1 of the following effects: •Select 1 monster on the field

Set: Legendary Collection Type: Water Rarity: Holo Rare Retreat cost: Colorless

It''s also said that when the three are together

When this card is Special Summoned: You can activate the appropriate effect

Set: The Lost Millennium Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2100 Defense: 1200 Elemental Hero Avian' + 'Elemental Hero Burstinatrix' This monster cannot be Special Summoned except by Fusion Summon

Lethe Lake (Planes) [Planechase Planes] BW76 you can select and activateSet: Planechase Planes Type: Plane Arkhos Rarity: Common At the beginning of your upkeep, mill ten cards. Whenever you roll {CHAOS}, target player mills ten cards.