What those instants are is up to the player, but great picks include mana-generators like High Tide and Turnabout, bounce spells like Cyclonic Rift or Engulf the Shore, and classic get-out-of-jail-free card Teferi's Protection
Doubling down on enter the battlefield abilities and getting a rebuy on your following turn is just the base-level use of Ephemerate
Its too bad that the thing it adds to the board is so insignificant though, and it makes me think this is probably a little bit too clunky to be something that always makes the cut in your Blue decks 4 mana to bounce something and draw a card is usually playable
The set and decks all release on June 13th, 2025
Weakness: Grass (x2) Resistance: none Retreat: 1 Darkrai - Darkness - HP120 Basic Pokemon [D] Shadow Cloak: Search your deck for 2 Basic [D] Energy and attach them to this Pokemon
That means we can accelerate as much Energy as we need with Gardevoir exs Psychic Embrace Ability to Gardevoir to swing big with Brainwave