Gateway to the Infinite

{t}: Exile the top card of your library face down.
You may not see the card.
Pay {x} life, {t}: Look at the top {x} cards
exiled this way.
Exile this and 7 other non-token permanents,
pay 5 life, {t}: Return up to 4 nonland
permanents exiled with Gateway to the Infinite
to the battlefield.