Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.

Flying

When Aethertide Whale enters the battlefield, you get {E}{E}{E}{E}{E}{E} (six energy counters).

Pay {E}{E}{E}{E}: Return Aethertide Whale to its owner's hand.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Other creatures you control have trample.

Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.

As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)

Whenever you cast a spell, you may remove a slumber counter from Arixmethes.

{T}: Add {G}{U}.

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

Return Broken Fall to its owner's hand: Regenerate target creature.

You may choose not to untap Callous Oppressor during your untap step.

As Callous Oppressor enters the battlefield, an opponent chooses a creature type.

{T}: Gain control of target creature that isn't of the chosen type for as long as Callous Oppressor remains tapped.

This spell can't be countered.

Trample, hexproof

You may have Clone enter the battlefield as a copy of any creature on the battlefield.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.

Enchant creature

You control enchanted creature.

At the beginning of your upkeep, you may have Cryptoplasm become a copy of another target creature, except it has this ability.

Choose any number of creatures target player controls. Choose the same number of creatures another target player controls. Those players exchange control of those creatures. (This effect lasts indefinitely.)

Enchant player

Whenever enchanted player is attacked, untap all nonland permanents you control. Each opponent attacking that player untaps all nonland permanents they control.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Flying

{T}: Exchange control of two target nonlegendary creatures. You can't activate this ability during combat.

Copy target creature spell you control, except it isn't legendary if the spell is legendary. (A copy of a creature spell becomes a token.)

Flying

The first time you would create one or more tokens during each of your turns, you may instead choose a creature other than Esix, Fractal Bloom and create that many tokens that are copies of that creature.

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

Create a 3/3 green Beast creature token for each creature put into your graveyard from the battlefield this turn.

Flash

When Frilled Mystic enters the battlefield, you may counter target spell.

Whenever another creature with power 3 or greater enters the battlefield under your control, you may draw a card.

+1: Create a 3/3 green Beast creature token.

-3: Draw cards equal to the greatest power among creatures you control.

-6: Create a 6/6 green Wurm creature token for each land you control.

This spell costs {X} less to cast, where X is the total power of creatures you control.

Trample

You and permanents you control have protection from Salamanders.

At the beginning of your end step, each player who controls the fewest creatures creates a 4/3 blue Salamander Warrior creature token.

At the beginning of your upkeep, populate. (Create a token that's a copy of a creature token you control.)

{T}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

When Keeper of Keys enters the battlefield, you become the monarch.

At the beginning of your upkeep, if you're the monarch, creatures you control can't be blocked this turn.

+1: Untap up to one target creature and up to one target land.

-2: Reveal the top four cards of your library. You may put a creature card and/or a land card from among them into your hand. Put the rest into your graveyard.

-8: You get an emblem with "Whenever a creature enters the battlefield under your control, you may have it fight target creature." Then create three 8/8 blue Octopus creature tokens.

+1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls.

-1: Draw a card. You may play an additional land this turn.

-5: You get an emblem with "At the beginning of your end step, create a 9/9 blue Kraken creature token."

Trample

Whenever a player casts a spell, put a +1/+1 counter on Managorger Hydra.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

{1}{U}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

Flash

When Mystic Snake enters the battlefield, counter target spell.

+1: Create a 0/1 green Plant creature token.

-2: Put a +1/+1 counter on each creature you control.

-7: You gain X life and draw X cards, where X is the number of lands you control.

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

{2}{G}, {T}: Create a 1/1 colorless Servo artifact creature token.

{4}{G}, {T}: Create an X/X colorless Construct artifact creature token, where X is the number of creatures you control.

Trample

When Penumbra Wurm dies, create a 6/6 black Wurm creature token with trample.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

You may have Progenitor Mimic enter the battlefield as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature."

Trample

Whenever Rampaging Brontodon attacks, it gets +1/+1 until end of turn for each land you control.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

{2}{G/W}, {T}: Create a 1/1 green and white Elf Warrior creature token.

{4}{G/W}{G/W}, {T}: For each creature token you control, create a token that's a copy of that creature.

For each token you control, create a token that's a copy of that permanent.

{U}, {T}: Until your next turn, target creature an opponent controls can't be blocked. Goad that creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

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

Trample

Whenever another nontoken creature enters the battlefield under your control, you may draw a card.

Flying

When Sower of Temptation enters the battlefield, gain control of target creature for as long as Sower of Temptation remains on the battlefield.

Choose a creature type other than Wall. Each creature becomes that type until end of turn.

Choose one or more --

• Counter target spell.

• Counter target activated or triggered ability.

• Return target nonland permanent to its owner's hand.

• Create a token that's a copy of target creature you control.

• Target player draws a card.

Exchange control of two target creatures.

When Terastodon enters the battlefield, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way, its controller creates a 3/3 green Elephant creature token.

{1}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

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

You may cast creature spells from the top of your library.

+1: Create a 3/3 green Beast creature token. Put your choice of a vigilance counter, a reach counter, or a trample counter on it.

-2: When you cast your next creature spell this turn, search your library for a creature card with lesser mana value, put it onto the battlefield, then shuffle.

At the beginning of your upkeep, create X 2/2 green Wolf creature tokens, where X is the number of your opponents with four or more cards in hand.

Regenerate each creature you control.