Archpriest of Iona's power is equal to the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

At the beginning of combat on your turn, if you have a full party, target creature gets +1/+1 and gains flying until end of turn.

When Ardent Electromancer enters the battlefield, add {R} for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Burakos, Party Leader is also a Cleric, Rogue, Warrior, and Wizard.

Whenever Burakos attacks, defending player loses X life and you create X Treasure tokens, where X is the number of creatures in your party.

Choose a Background (You can have a Background as a second commander.)

Flying

Whenever Harper Recruiter attacks, look at the top four cards of your library. You may reveal a Cleric card, a Rogue card, a Warrior card, and/or a Wizard card from among them and put those cards into your hand. Put the rest on the bottom of your library in a random order.

Flying

At the beginning of combat on your turn, if you have a full party, choose target nonland permanent an opponent controls. Until your next turn, it can't attack or block, and its activated abilities can't be activated.

Sacrifice Linvala: Choose hexproof or indestructible. Creatures you control gain that ability until end of turn.

You may look at the top card of your library any time.

You may cast Cleric, Rogue, Warrior, and Wizard spells from the top of your library.

At the beginning of combat on your turn, if you have a full party, put a +1/+1 counter on each creature you control and those creatures gain deathtouch until end of turn.

Nimble Trapfinder can't be blocked if you had another Cleric, Rogue, Warrior, or Wizard enter the battlefield under your control this turn.

At the beginning of combat on your turn, if you have a full party, creatures you control gain "Whenever this creature deals combat damage to a player, draw a card" until end of turn.

When Seasoned Dungeoneer enters the battlefield, you take the initiative.

Whenever you attack, target attacking Cleric, Rogue, Warrior, or Wizard gains protection from creatures until end of turn. It explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)

Flying

Each creature card in your graveyard that's a Cleric, Rogue, Warrior, and/or Wizard has unearth {1}{B}. ({1}{B}: Return the card to the battlefield. The creature gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When Squad Commander enters the battlefield, create a 1/1 white Kor Warrior creature token for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

At the beginning of combat on your turn, if you have a full party, creatures you control get +1/+0 and gain indestructible until end of turn.

Tajuru Paragon is also a Cleric, Rogue, Warrior, and Wizard.

Kicker {3}

When Tajuru Paragon enters the battlefield, if it was kicked, reveal the top six cards of your library. You may put a card that shares a creature type with it from among them into your hand. Put the rest on the bottom of your library in a random order.

This spell costs {1} less to cast for each creature in your party.

{2/U}{2/B}{2/R}{2/G}: Look at the top six cards of your library. You may reveal up to two Cleric, Rogue, Warrior, Wizard, and/or Ally cards from among them and put them into your hand. Put the rest on the bottom of your library in a random order.

Veteran Adventurer is also a Cleric, Rogue, Warrior, and Wizard.

This spell costs {1} less to cast for each creature in your party.

Vigilance

This spell costs {1} less to cast for each creature in your party.

Flying, deathtouch, haste

Other creatures you control have deathtouch.

Whenever a creature you control deals combat damage to a planeswalker, destroy that planeswalker.