Ghirapur Orrery

Each player may play an additional land on each of their turns.
At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

Font of Mythos

At the beginning of each player's draw step, that player draws two additional cards.

Mountain

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Adamaro, First to Desire

Adamaro, First to Desire's power and toughness are each equal to the number of cards in the hand of the opponent with the most cards in hand.