Whenever you cast a spell from exile, Promised Seeker gets +3/+3 until end of turn. Prophecy {G}(Once each turn, you may exile a card with prophecy as you reveal it. When you do, you may cast it for its prophecy cost as long as it's exiled.)
Enchant creature Whenever enchanted creature attacks, audition for green. (Create a 1/1 Construct Actor creature token, a Scout Role giving 2/3 and vigilance, or a Warrior Role giving 3/2 and trample. Roles replace older ones.)
Whenever equipped creature attacks, exile the top card of your library. Equipped creature gets +X/+0 until end of turn, where X is the mana value of that card. Until end of turn, you may play that card. Equip {2}
When Propulsion Pack enters, create a 1/1 colorless Servo artifact creature token and attach Propulsion Pack to it. Equipped creature gets +1/+1 and has flying. Equip {3}{U}
As Protect the Treasure enters, choose offense or defense. Whenever an artifact you control enters for the first time each turn, • Offense — Protect the Treasure deals 2 damage to each opponent. • Defense — Add {R}{R}.
Choose two or four — • Prove Worthy has lifelink and can't be countered. • Prove Worthy deals 3 damage to target player or planeswalker. • Prove Worthy deals 3 damage to target creature or planeswalker. • Conjure a card named Fatigue and put it on top of your library. (It's a colorless sorcery that costs {2} with “Draw a card.”)
At the beginning of combat on your turn, target creature you control explores three times. It attacks this combat if able and other creatures you control can't attack this combat. (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 that creature, then put the card back or put it into your graveyard.)
When Provincial Loyalty enters, put a vigilance counter on each of up to two target creatures you control. At the beginning of combat on your turn, permutate. (You may remove a counter from a creature you control. If you do, put two +1/+1 counters on a different creature you control.)
At the beginning of your end step, if you control two or more tapped creatures, you may exile target creature. If you do, return that card to the battlefield under its owner's control.
Spymaster Joane's mediation of the succession only succeeded in making her enemies.
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) {2}{R}, Sacrifice Prowling Beastmaster: It deals 2 damage to target player or planeswalker.
{1}{G}: Purge. If you do, put a +1/+1 counter on Purging Watchwarden and you gain 2 life. (To purge, exile two cards that share a type from graveyards. If you do, draw a card.)
Indestructible As long as your devotion to red is less than five, Purphoros isn't a creature. Whenever you attack, Purphoros deals 1 damage to any target. {3}{R}: Discard up to two cards, then draw that many cards.
At the beginning of your end step, you get a perfection counter. Create a token that's a copy of up to one other target creature you control, then exile that token unless you have six or more perfection counters.
Counter target creature spell. Audition for blue. (Create a 1/1 Construct Actor creature token, a Wizard Role giving 2/2 and prowess, or a Warlock Role giving 2/1 and flying. Roles replace older ones.)