Withdraw

Return target creature to its owner's hand. Then return another target creature to its owner's hand unless its controller pays {1}.

Seal of Removal

Sacrifice Seal of Removal: Return target creature to its owner's hand.

You have no maximum hand size.
{T}: Add {C}.

Flying
Jace's Phantasm gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

At the beginning of your upkeep, put a lore counter on Mind Unbound, then draw a card for each lore counter on Mind Unbound.

Draw three cards, then put two cards from your hand on top of your library in any order.

Target player mills two cards.
Draw a card.

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Whenever you draw a card, you may have target player mill a card.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.