Tom Marvolo Riddle

At the beginning of your end step exile an instant or sorcery spell from a graveyard with a Learn counter on it. Spells in exile with Learn counters have "{x} create a copy
of this spell, where X is the converted mana cost of this card +2, you may cast this copy." You may only activate an ability of cards with Learn counters once during your turn, and only if you control Tom Marvolo Riddle.

At the beginning of combat on your turn, each player mills
2 cards.
{b}{g}: Return a Horcrux card from your