Induced Amnesia
{2}{U}
Enchantment
When ~this~ enters, target player exiles all cards from their hand face down, then draws that many cards.
When ~this~ is put into a graveyard from the battlefield, return the exiled cards to their owner's hand.
Suppress
{2}{B}
Sorcery
Target player exiles all cards from their hand face down. At the beginning of the end step of that player's next turn, that player returns those cards to their hand.