Thank you for making a dream place for collectors
Momentary Blink also blinks a single creature, but has the upside of being replayable from our graveyard via its flashback ability, and as it were, flashback is an exceptionally powerful mechanic in Pauper due to the grindy nature of the format
You choose whether to sacrifice a creature and which creature to sacrifice as the exploit ability resolves
Rebound only triggers once, though, so you only get the one chance to cast the card from exile
If you control a creature attacking one opponent and another creature attacking a second opponent (or even a planeswalker a battle controlled by the first opponent), neither attacking creature is attacking alone
Giving your Dragons haste is pretty good by itself, with comparable cardssuch as Fervorusually appearing at three mana