The Space Race

[CNT] Set this card. Timing: Standard Action

Look at the top 5 cards of your deck and special summon any number of {Racer} units from among them with a combined level of 3 or less. Put the remaining cards on the bottom of your deck in any order. At the end of the main phase, put any unit special summoned by this effect on the bottom of its owner's deck or as a charge under a "Checkpoint" card in play.

Standard Action: If this is in your graveyard, you may remove 3 "Checkpoint" cards in your graveyard from the game. If you do, play this card.