Return all attacking creatures to their owner's hand.
{3}{U}{U}
Aetherspouts
Instant
For each attacking creature, its owner puts it on the top or bottom of their library.
{5}{U}{U}
Alrund's Epiphany
Sorcery
Create two 1/1 blue Bird creature tokens with flying. Take an extra turn after this one. Exile Alrund's Epiphany.
Foretell {4}{U}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
{5}{W}{W}
Angel of the Dire Hour
Creature - Angel
Flash
Flying
When Angel of the Dire Hour enters the battlefield, if you cast it from your hand, exile all attacking creatures.
5 /
4
{2}{G}
Arachnogenesis
Instant
Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.
{G}{W}
Aura Mutation
Instant
Destroy target enchantment. Create X 1/1 green Saproling creature tokens, where X is that enchantment's mana value.
{3}{U}
Behold the Multiverse
Instant
Scry 2, then draw two cards.
Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
{3}{W}
Benevolent Offering
Instant
Choose an opponent. You and that player each create three 1/1 white Spirit creature tokens with flying.
Choose an opponent. You gain 2 life for each creature you control and that player gains 2 life for each creature they control.
{2}{W}
Call the Coppercoats
Instant
Strive -- This spell costs {1}{W} more to cast for each target beyond the first.
Choose any number of target opponents. Create X 1/1 white Human Soldier creature tokens, where X is the number of creatures those opponents control.
{4}{G}{G}
Cobra Trap
Instant - Trap
If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay {G} rather than pay this spell's mana cost.
Create four 1/1 green Snake creature tokens.
{3}{W}
Cosmic Intervention
Instant
If a permanent you control would be put into a graveyard from the battlefield this turn, exile it instead. Return it to the battlefield under its owner's control at the beginning of the next end step.
Foretell {1}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
{3}{U}
Crafty Cutpurse
Creature - Human Pirate
Flash
When Crafty Cutpurse enters the battlefield, each token that would be created under an opponent's control this turn is created under your control instead.
2 /
2
{1}{W}
Dawn Charm
Instant
Choose one --
• Prevent all combat damage that would be dealt this turn.
• Regenerate target creature.
• Counter target spell that targets you.
{G}{W}{U}
Derevi, Empyrial Tactician
Legendary Creature - Bird Wizard
Flying
Whenever Derevi, Empyrial Tactician enters the battlefield or a creature you control deals combat damage to a player, you may tap or untap target permanent.
{1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone.
2 /
3
{3}{U}
Domineering Will
Instant
Target player gains control of up to three target nonattacking creatures until end of turn. Untap those creatures. They block this turn if able.
{1}{G}
Druid's Deliverance
Instant
Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)
{3}{W}
Entrapment Maneuver
Instant
Target player sacrifices an attacking creature. You create X 1/1 white Soldier creature tokens, where X is that creature's toughness.
{1}{W}
Equal Treatment
Instant
If any source would deal 1 or more damage to a permanent or player this turn, it deals 2 damage to that permanent or player instead.
Draw a card.
{1}{W}
Everybody Lives!
Instant
All creatures gain hexproof and indestructible until end of turn. Players gain hexproof until end of turn. Players can't lose life this turn and players can't lose the game or win the game this turn.
{G}{W}{U}
Flurry of Wings
Instant
Create X 1/1 white Bird Soldier creature tokens with flying, where X is the number of attacking creatures.
{1}{W}
Get Lost
Instant
Destroy target creature, enchantment, or planeswalker. Its controller creates two Map tokens. (They're artifacts with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")
{X}{W}{W}
Grand Crescendo
Instant
Create X 1/1 green and white Citizen creature tokens. Creatures you control gain indestructible until end of turn.
{2}{G}
Harrow
Instant
As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.
{2}{W}
Harsh Justice
Instant
Cast this spell only during the declare attackers step and only if you've been attacked this step.
This turn, whenever an attacking creature deals combat damage to you, it deals that much damage to its controller.
{2}{U}{U}
Illusionist's Gambit
Instant
Cast this spell only during the declare blockers step on an opponent's turn.
Remove all attacking creatures from combat and untap them. After this phase, there is an additional combat phase. Each of those creatures attacks that combat if able. They can't attack you or planeswalkers you control that combat.
{1}{W}
Mandate of Peace
Instant
Cast this spell only during combat.
Your opponents can't cast spells this turn.
End the combat phase. (Remove all attackers and blockers from combat. Exile all spells and abilities from the stack, including this spell.)
{3}{W}
Mangara, the Diplomat
Legendary Creature - Human Cleric
Lifelink
Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card.
Whenever an opponent casts their second spell each turn, draw a card.
2 /
4
{X}{G}{W}{W}
March of the Multitudes
Instant
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Create X 1/1 white Soldier creature tokens with lifelink.
{2}{U}
Misleading Signpost
Artifact
Flash
When Misleading Signpost enters the battlefield during the declare attackers step, you may reselect which player or permanent target attacking creature is attacking. (It can't attack its controller or their permanents.)
{T}: Add {U}.
{1}{U}
Mystic Reflection
Instant
Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter the battlefield this turn, they enter as copies of the chosen creature.
Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
{U}{U}
Narset's Reversal
Instant
Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.
{W}
Path to Exile
Instant
Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{1}{U}{U}
Polymorphist's Jest
Instant
Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.
{2}{U}
Portal Mage
Creature - Human Wizard
Flash
When Portal Mage enters the battlefield during the declare attackers step, you may reselect which player or planeswalker target attacking creature is attacking. (It can't attack its controller or its controller's planeswalkers.)
2 /
2
{3}{G}
Predator's Howl
Instant
Create a 2/2 green Wolf creature token.
Morbid -- Create three 2/2 green Wolf creature tokens instead if a creature died this turn.
{U}{U}
Redirect
Instant
You may choose new targets for target spell.
{2}{U}{U}
Reins of Power
Instant
Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.
{2}{W}
Rootborn Defenses
Instant
Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)
{1}{U}{U}
Saw It Coming
Instant
Counter target spell.
Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
{3}{G}{G}
Scatter the Seeds
Instant
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Create three 1/1 green Saproling creature tokens.
{2}{G}{G}
Second Harvest
Instant
For each token you control, create a token that's a copy of that permanent.
{X}{W}
Secure the Wastes
Instant
Create X 1/1 white Warrior creature tokens.
{2}{W}{W}
Settle the Wreckage
Instant
Exile all attacking creatures target player controls. That player may search their library for that many basic land cards, put those cards onto the battlefield tapped, then shuffle.
{2}{G}{W}
Sidar Kondo of Jamuraa
Legendary Creature - Human Knight
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
Creatures your opponents control without flying or reach can't block creatures with power 2 or less.
Partner (You can have two commanders if both have partner.)
2 /
5
{3}{G}
Spore Swarm
Instant
Create three 1/1 green Saproling creature tokens.
{1}{G}
Sprout Swarm
Instant
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Create a 1/1 green Saproling creature token.
{G/W}{G/W}
Sundering Growth
Instant
Destroy target artifact or enchantment, then populate. (Create a token that's a copy of a creature token you control.)
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
{1}{G}
Tangle
Instant
Prevent all combat damage that would be dealt this turn.
Each attacking creature doesn't untap during its controller's next untap step.
{2}{U}
Theoretical Duplication
Instant
Whenever a nontoken creature enters the battlefield under an opponent's control this turn, create a token that's a copy of that creature.
{G}{U}
Thrasios, Triton Hero
Legendary Creature - Merfolk Wizard
{4}: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card.
Partner (You can have two commanders if both have partner.)
1 /
3
{4}{W}
Warhorn Blast
Instant
Creatures you control get +2/+1 until end of turn.
Foretell {2}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)