Inspired by invitation cards
Invite 1G
Sorcery R
Look at the top four cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
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Party 4RR
Sorcery
Aftermath
Put a creature card from your hand into play, it gains haste. Sacrifice it at the beginning of the next end step.