Using these cards will require a lot of patience as it can give a feeling of stalling for quite a bit of the beginning of the game while cards are gathered for a powerful endgame advantage, with a lot of concentration
Seeker, despite that item's superior recognizability
That still makes almost every spell easier to play and can be stacked with Jhoira's Familiar, which has the same effect on both artifacts and legendary spells, like your Planeswalkers
That said, we did benefit from the matchups we ran into, at least to some extent, beating Simic Ramp, Dimir Mill, White Weenie, and Izzet Phoenix, while losing our one match to Temur Reclamation (in a match that didn't feel especially close)
If your Pokemon already has damage counters on it, these remain
Time Spiral was so pitch-perfect that it was remastered years later in the wonderful draft set Time Spiral Remastered