Dreamborn Muse

Enchant player

At the beginning of enchanted player's upkeep, that player mills two cards.

Enchant player

At the beginning of each end step, enchanted player mills X cards, where X is the number of cards put into their graveyard from anywhere this turn.

Flying

At the beginning of your upkeep, sacrifice this creature unless you pay for each card in your hand.

At the beginning of each player's upkeep, that player may put an artifact, creature, or land card from their hand onto the battlefield.

At the beginning of each player's upkeep, that player chooses target player who has more cards in hand than they do and is their opponent. The first player may discard their hand and draw three cards.

Skulk (This creature can't be blocked by creatures with greater power.)

At the beginning of your upkeep, you may discard all the cards in your hand. If you do, draw that many cards.