Flash

If an opponent would draw two or more cards, instead you and that player each draw a card.

Whenever another nontoken creature enters the battlefield under your control, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

When Aviary Mechanic enters the battlefield, you may return another permanent you control to its owner's hand.

When Baffling End enters the battlefield, exile target creature an opponent controls with mana value 3 or less.

When Baffling End leaves the battlefield, target opponent creates a 3/3 green Dinosaur creature token with trample.

Vigilance

Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.

Whenever another Zombie enters the battlefield under your control, you may tap target artifact or creature.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Artifacts and creatures your opponents control enter the battlefield tapped.

Flying

When Boreas Charger leaves the battlefield, choose an opponent who controls more lands than you. Search your library for a number of Plains cards equal to the difference, reveal those cards, put one of them onto the battlefield tapped and the rest into your hand, then shuffle.

Flying

Whenever you cast a creature spell with mana value 3 or less, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Castle Ardenvale enters the battlefield tapped unless you control a Plains.

{T}: Add {W}.

{2}{W}{W}, {T}: Create a 1/1 white Human creature token.

When Charming Prince enters the battlefield, choose one --

• Scry 2.

• You gain 3 life.

• Exile another target creature you own. Return it to the battlefield under your control at the beginning of the next end step.

Defender

{T}: Creatures you control gain haste until end of turn.

Indestructible

Equipped creature has indestructible.

Equip {2}

Each player can't cast more than one noncreature spell each turn.

{T}: Add {C}.

{1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

Flash

Creatures you control get +2/+2.

Destroy all creatures with power 3 or greater.

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Aftermath (Cast this spell only from your graveyard. Then exile it.)

Return all creature cards with power 2 or less from your graveyard to your hand.

Flying

When Emancipation Angel enters the battlefield, return a permanent you control to its owner's hand.

Exile target creature you control, then return it to the battlefield under its owner's control.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

When Fiend Hunter enters the battlefield, you may exile another target creature.

When Fiend Hunter leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

{T}: Add {C}.

{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

{1}{W}, {T}: Tap target creature.

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Destroy target creature with power 4 or greater. (Then exile this card. You may cast the creature later from exile.)

Double strike

Whenever you cast a creature spell, create a 4/4 black Zombie Warrior creature token with vigilance.

When God-Eternal Oketra dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

{T}: Add {W}.

{T}: Draw a card. Activate only if you created a token this turn.

{8}, {T}, Sacrifice Idol of Oblivion: Create a 10/10 colorless Eldrazi creature token.

Whenever equipped creature becomes blocked by a creature, you may draw two cards.

Equip {1}

Flash (You may cast this spell any time you could cast an instant.)

Defender

When Jeskai Barricade enters the battlefield, you may return another target creature you control to its owner's hand.

Artifacts, creatures, and lands your opponents control enter the battlefield tapped.

When Kor Cartographer enters the battlefield, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Flying

When Kor Skyfisher enters the battlefield, return a permanent you control to its owner's hand.

Equipped creature gets +1/+1 for each charge counter on Mace of the Valiant and has vigilance.

Whenever a creature enters the battlefield under your control, put a charge counter on Mace of the Valiant.

Equip {3}

Creatures you control get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Destroy all nonwhite creatures.

Whenever another creature with power 2 or less enters the battlefield under your control, you may pay {1}. If you do, draw a card.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

{T}: Target creature you control gains protection from the color of your choice until end of turn.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

The owner of target nonland permanent shuffles it into their library, then draws two cards.

At the beginning of each combat, creatures you control gain first strike until end of turn if a creature you control has first strike. The same is true for flying, deathtouch, double strike, haste, hexproof, indestructible, lifelink, menace, reach, skulk, trample, and vigilance.

Double strike, indestructible

Oketra the True can't attack or block unless you control at least three other creatures.

{3}{W}: Create a 1/1 white Warrior creature token with vigilance.

White creature spells you cast cost {1} less to cast.

Whenever you cast a creature spell, create a 1/1 white Warrior creature token with vigilance.

When Oreskos Explorer enters the battlefield, search your library for up to X Plains cards, where X is the number of players who control more lands than you. Reveal those cards, put them into your hand, then shuffle.

{T}: Add {C}{C}.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Destroy all nonland permanents.

Exile target artifact or enchantment.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

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.)

Secluded Steppe enters the battlefield tapped.

{T}: Add {W}.

Cycling {W} ({W}, Discard this card: Draw a card.)

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.

Flying

When Skyscanner enters the battlefield, draw a card.

{T}: Add {C}{C}.

Whenever another creature enters the battlefield, you gain 1 life.

Each player can't draw more than one card each turn.

Flash

Flying

When Stonecloaker enters the battlefield, return a creature you control to its owner's hand.

When Stonecloaker enters the battlefield, exile target card from a graveyard.

Flying

When Stormfront Riders enters the battlefield, return two creatures you control to their owner's hand.

Whenever Stormfront Riders or another creature is returned to your hand from the battlefield, create a 1/1 white Soldier creature token.

Vigilance

Whenever Sun Titan enters the battlefield or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Exile target creature. Its controller gains life equal to its power.

{T}: Add {C}.

{1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

First strike

Creatures and nonbasic lands your opponents control enter the battlefield tapped.

When Thraben Inspector enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Tome of Legends enters the battlefield with a page counter on it.

Whenever your commander enters the battlefield or attacks, put a page counter on Tome of Legends.

{1}, {T}, Remove a page counter from Tome of Legends: Draw a card.

Creatures you control have double strike and lifelink.

Creatures you control gain indestructible until end of turn.

Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

Whenever a creature enters the battlefield under your control, creatures you control get +1/+1 until end of turn.

Flying

Noncreature spells cost {1} more to cast.

Defender

When Wall of Omens enters the battlefield, draw a card.

When War Priest of Thune enters the battlefield, you may destroy target enchantment.

Flash

When Whitemane Lion enters the battlefield, return a creature you control to its owner's hand.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Windbrisk Heights enters the battlefield tapped.

{T}: Add {W}.

{W}, {T}: You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle.

Overload {4}{W}{W} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")