Ghastlord of Fugue
{U/B}{U/B}{U/B}{U/B}{U/B}
Creature -- Spirit Avatar
4/4
~this~ can't be blocked.
Whenever ~this~ deals combat damage to a player, that player reveals their hand. You choose a card from it. That player exiles that card.
Isperia the Inscrutable
{1}{W}{W}{U}{U}
Legendary Creature -- Sphinx
3/6
Flying
Whenever ~this~ deals combat damage to a player, choose a card name. That player reveals their hand. If a card with the chosen name is revealed this way, search your library for a creature card with flying, reveal it, put it into your hand, then shuffle.
Shimian Specter
{2}{B}{B}
Creature -- Specter
2/2
Flying
Whenever ~this~ deals combat damage to a player, that player reveals their hand. You choose a nonland card from it. Search that player's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles.