Counter target creature spell. Scry 2. Foresee — As you draw Aurora's Whisper, you may reveal it and pay {U}. When you do, return target creature with mana value 3 or less to its owner's hand.
When Automated Blademaster enters the battlefield, create a colorless Equipment artifact token named Sword with “Equipped creature gets +1/+1” and equip {1} and attach it to Automated Blademaster.
Autumn Ward's power and toughness are each equal to the number of creature cards in your graveyard. Unveil {2}{B}{G}({2}{B}{G}: Transform this. Unveil only as a sorcery.)
Autumnal Boscage enters the battlefield tapped unless you control a basic land. {T}: Add {R} or {G}.
“A forest beacon for heroes to gather, until those heroes acted out. Casting a passionate warrior to destroy every last one of them by force.” —Percy's Playbook, Page 5
When Autumnal Resonants enters the battlefield, harmonize. (Trigger up to one harmony of a permanent you control.) Harmony — Create a 3/3 red and green Elemental creature token with haste.
{2}: Avaricious Ghul gets +1/+1 until end of turn. If mana from a Treasure was spent to activate this ability, put a +1/+1 counter on Avaricious Ghul instead.
“Good? Evil? I have the gold, and that's what actually matters.”
Flying Harmony — Until the end of your next turn, you may cast target instant or sorcery card from your graveyard. If that card would be put into your graveyard, exile it instead. When Aven Acoustimancer enters the battlefield, harmonize. (Trigger up to one harmony of one permanent you control.)
Flying When Aven Merchant enters the battlefield, create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)
Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.) 1 | For each permanent type, return a card of that type from your graveyard to your hand. Exile Awaken Ancestry. 5 | Return an instant card and a sorcery card from your graveyard to your hand.
Pressure {3}{B}{B}(You may cast this spell for its pressure cost if seven or more cards are in your graveyard.) Each player sacrifices a creature. Put a creature card from a graveyard onto the battlefield under your control.
“This trench just goes on forever, no matter how far we dig. I'm telling you, Mettalia, there's nothing he—“
Equipped creature gets +3/+2. Whenever a land enters the battlefield under your control, you may attach Axe of the Crann to target creature you control. Equip {4}
When Ayala's Blessing enters the battlefield, put a +1/+1 counter on up to two target creatures. Whenever an embattled creature you control dies, you may return it to its owner's hand. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)
The first instant or sorcery spell you cast each turn has convoke. (Each creature you tap while casting that spell pays for {1} or one mana of that creature's color.)
Azun's Play deals damage to any target equal to the number of cards in your hand. Quickdraw {R}{R}(When a creature you control blocks or becomes blocked, you may cast this spell for {R}{R}.)
When Azure Archaeologist enters the battlefield, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”) {2}, {T}, Sacrifice a Clue: Draw two cards, then discard a card.