Price: $164.08 Get Doubling Season Showcase on TCGPlayer
Besides that theres not much to say here as its very similar to Deeproot Elite, but I do like it more as it automatically pumps your entire Merfolk team as soon as it enters the battlefield and doesnt need to be played first to give your creatures a bonus afterwards, like Deeproot Elite
It runs every new representation of the Ringwraiths
However, the differences in rarity between the Energies show that artificial rarity differences do in fact exist, and have existed since the very beginning of the TCG
Sideboard cards need to actually, and substantially, disrupt the opposing gameplan or protect/advance your own gameplan given the opposing strategy
Along with that, Lilah also reads: Whenever you cast a multicoloured instant or sorcery spell from your hand, exile that spell instead of putting it into your graveyard as it resolves