lunala pokemon card gx 172/156 Gold Secret Psychic Ability Psychic Transfer As often as you like during your turn (before your attack) Solgaleo & Lunala GX -

It can tap for one colorless mana or for one mana of any color if you use that mana to cast a creature of the chosen type

Otter Limits Creature (21) Bria, Riptide Rogue Mockingbird Alania, Divergent Storm Thieving Otter x3 Bellowing Crier x3 Waterspout Warden x3 Alania's Pathmaker x3 Coruscation Mage x2 Quaketusk Boar x2 Stormcatch Mentor x2 Instant (5) Flame Lash x3 Rabid Gnaw x2 Sorcery (4) Enchantment (2) Artifact (1) Land (27) Swiftwater Cliffs x4 Island x11 Mountain x12 Hmm wonder what Otter Limits could be about

Artifact- Artifacts are similar to enchantments but they have an extremely wide variety of abilities, ranging from producing mana to making creatures more powerful

Also, you can get more humans at the end of the turn, so its an enabler as well