When you pair this with traditional reanimate cards, you can effectively play the same creatures multiple times
When Kassandra enters, search your graveyard, hand, and library for a card named The Spear of Leonidas, put it onto the battlefield, then shuffle
Storm Reading Instant - Adventure Draw four cards, then discard two cards
I dig it, I think it's a really fun idea for an archetype and he definitely seems strong enough to push it
Pull rate from Regular Packs: 0.23% The estimated pull rate for Mega Ampharos ex (Mega Rising) from a Regular Pack is approximately 0.23%, meaning you might need to open around 443 Regular Packs to obtain it
Void That creature gets -10/-10 until end of turn instead if a nonland permanent left the battlefield this turn or a spell was warped this turn