Kirby, Cosmic Immortal

Imprint — {u}{b}{b}, {t}: Exile target nonlegendary creature. Kirby gains all of its activated abilities for as long as it remains exiled. Activate only if no cards are exiled with Kirby.

{t}, Put a card exiled with Kirby into its owner's graveyard: Kirby deals 5 damage to any target.

If Kirby would leave the battlefield, instead exile it with 3 time counters on it and it gains suspend.