Transformations

Deoxys Forms

Form name	Icon	Method
Attack		Interact with (minecraft:end_crystal)
Defense		Interact with (minecraft:shulker_shull)
Normal		Interact with (minecraft:end_stone)
Speed		Interact with (minecraft:chorus_fruit)

Calyrex Forms

Form name	Icon
Ice Rider		Using Reins of Unity. You need both pokémons + Click Glastrier with the item, and then click Calyrex. Ta-da!
Shadow Rider		Using Reins of Unity. You need both pokémons + Click Spectrier with the item, and then click Calyrex. Ta-da!

Hoopa Forms

Form name	Icon
Confined		-
Unbound		Interact with (minecraft:ender_eye)

Ogerpon Masks

Form name	Icon	Method
Cornerstone		Equip Cornerstone Mask
Hearthflame		Equip Hearthflame Mask
Teal		Unequip Mask
Wellspring		Equip Wellspring Mask

Shaymin Forms

Form name	Icon	Method
Land		Unequip Gracidea
Sky		Equip Gracidea

Urshifu Styles

Form name	Icon	Method
Rapid Strike		Interact Kubfu with (cobblemon:muscle_band)
Single Strike		Interact Kubfu with (cobblemon:expert_belt)

Primal Forms

Form name	Icon	Method
Primal Groudon		Equip Red Orb
Primal Kyogre		Equip Blue Orb

Crowned Forms

Form name	Icon	Method
Zacian Crowned		Equip Rusted Sword and join battle
Zamazenta Crowned		Equip Rusted Shield and join battle