Perpetual Timepiece - The List (PLIST) M20 that player puts that card

that player puts that card onto the battlefield and all other cards revealed this way into their graveyard

remove all -1/-1 counters from it

Create a token that's a copy of it

Return Gift of Immortality to the battlefield attached to that creature at the beginning of the next end step

swampwalk (This creature can't be blocked as long as defending player controls an Island or a Swamp

Perpetual Timepiece - The List (PLIST) M20 that player puts that card{T}: Mill two cards. {2}, Exile Perpetual Timepiece: Shuffle any number of target cards from your graveyard into your library. Do not be so caught up in keeping track of time that you forget to make use of it.