While this would not be a problem if it instead serves the higher purpose of a game-ending combo, such as Sigardas Aid, I think Ephemerate does not quite do that
Because they do not have Levels/Ranks, Link Monsters are unaffected by card effects that depend on a monster's Level/Rank (e.g.: "Gravity Bind"), and cannot become involved in actions that require monsters with Levels/Ranks (e.g.: Synchro Summoning) without specific card text denoting such an action (e.g.: the Synchro Yummy monsters)
Its main effect means players can't hide in defense position either, with Hamon dealing a guaranteed 1000 damage to the enemy
I have people I love outside of the sport." Glenn's official Team USA profile lists Magic: The Gathering as one of those hobbies, even noting that her dog Uki is named after Ukkima, Stalking Shadow, a blue-black "whale wolf" that can't be blocked
SWIFTFOOT BOOTS VS LIGHTNING GREAVES Having an onboard way to protect your key pieces is great value, and means you dont have to sit with a protection spell in hand or dig for recursion
An Xyz Monster that was Summoned using only this card and other "Gogogo" monsters as material gains this effect