Fatespinner

At the beginning of each player's draw step, that player may draw an additional card. If they do, spells they cast this turn cost more to cast.

At the beginning of each player's end step, that player may draw a card if a player other than you lost life this turn.

Partner (You can have two commanders if both have partner.)

When this creature enters, each opponent mills three cards.

Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards.

When Barrin enters, return up to one other target creature or planeswalker to its owner's hand.

At the beginning of your end step, if a permanent was put into your hand from the battlefield this turn, draw a card.

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.