It brings to life in the physical world the magical lorebook from the game (represented by the card deck), which is a cross between a home of sorts for the glimmers and a magical journal and field guide for Illumineers
Getting events on your calendar early allows more players to discover themespecially new players who may be looking for a local game store to call home
If an effect instructs you to transform a modal double-faced card on the battlefield, it transforms only if its other face has a permanent type (that is, if its other face isn't an instant or sorcery)
Typically this is the kind of thing I keep in the board for reanimate decks or some other archetype that can produce something before affinity kills it that four damage can't handle
So if they give five open mana, you can just exile six cards to make sure your opponent wont be able to resolve their spell
Magic: The GatheringFinal Fantasy represents their temporary assistance via Sagas, a form of Enchantment Creature that triggers various effects each turn, but only survives for a few turns