Animate dead targeting
worldgorger dragon with either magus or
compulsion in play. In response to
animate dead you draw/discard and float all your mana available. When the dragon comes in
animate dead leaves which causes the dragon to die which causes
animate dead and everything else to come back into play untapped. You repeat this cycle to draw through your deck until you get oona or ambassador in the yard as a reanimation target. Use the infinite loop to float a billion mana, then target one of the other two creatures with
animate dead, then deck them