Put a +1/+1 counter on each of up to two target creatures.
Flashback(You may cast this card from your graveyard for its flashback cost. Then exile it.)
9/22/2011 You can’t target the same creature twice to put two +1/+1 counters on it.
9/22/2011 If Travel Preparations targets two creatures, and one of them is an illegal target by the time Travel Preparations resolves, you’ll still put a +1/+1 counter on the other creature.