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}.

When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control.

Landfall -- Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

Basalt Monolith doesn't untap during your untap step.

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

{3}: Untap Basalt Monolith.

Whenever you cast a creature spell, draw a card.

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

Flying

{T}: Add one mana of any color.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

{T}: Add {C}.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Creatures you control have "{T}: Add one mana of any color."

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

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

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Indestructible

{T}: Add one mana of any color.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Deadeye Navigator is paired with another creature, each of those creatures has "{1}{U}: Exile this creature, then return it to the battlefield under your control."

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

When Elvish Harbinger enters the battlefield, you may search your library for an Elf card, reveal it, then shuffle and put that card on top.

{T}: Add one mana of any color.

{T}: Add {G}.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game.

Exile Finale of Revelation.

Enchant creature

{U}: Tap enchanted creature.

{U}: Untap enchanted creature.

+2: Create a 1/1 green Elf Druid creature token with "{T}: Add {G}."

-2: Destroy target artifact or enchantment.

-6: Draw a card for each green creature you control.

Freyalise, Llanowar's Fury can be your commander.

Flash

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

{T}: Add {G}.

Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.

{T}: Add three mana of any one color.

Whenever you cast a Druid spell, you may draw a card.

Tap seven untapped Druids you control: Gain control of all lands target player controls.

Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.

Whenever a nontoken creature enters the battlefield under your control, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

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

Search your library for up to X basic land cards, where X is the number of tapped creatures you control, put those cards onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land you control could produce.

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead.

{3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

Creatures don't untap during their controllers' untap steps.

Whenever a creature enters the battlefield, untap all creatures.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

If you would draw a card while your library has no cards in it, you win the game instead.

+1: Target player mills two cards. Draw a card.

-8: Draw seven cards. Then if your library has no cards in it, you win the game.

Flash

At the beginning of your end step, draw seven cards.

Each opponent's maximum hand size is reduced by seven.

{G}: Target land becomes a 1/1 creature until end of turn. It's still a land.

{2}{G}{G}{G}: Creatures you control get +3/+3 and gain trample until end of turn.

Whenever you tap a nonland permanent for mana, add one mana of any type that permanent produced.

{5}{G}{U}: Look at the top five cards of your library. You may put a non-Human creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

If Leyline of Abundance is in your opening hand, you may begin the game with it on the battlefield.

Whenever you tap a creature for mana, add an additional {G}.

{6}{G}{G}: Put a +1/+1 counter on each creature you control.

{T}: Add {G}.

Flash

When Mystic Snake enters the battlefield, counter target spell.

{T}: Add one mana of any type that a land you control could produce.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

This spell can't be countered.

You have no maximum hand size.

Whenever an opponent casts a noncreature spell, draw a card.

Discard three cards: Exile Nezahal, Primal Tide. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Trample

If you tap a permanent for mana, it produces three times as much of that mana instead.

Paradise Druid has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.)

{T}: Add one mana of any color.

Enchant creature

{U}: Untap enchanted creature.

{U}: Enchanted creature gains flying until end of turn.

{U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

{1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn.

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

{2}, {T}: Add one mana of any color. Put a brick counter on Pyramid of the Pantheon.

{T}: Add three mana of any one color. Activate only if there are three or more brick counters on Pyramid of the Pantheon.

As Quirion Elves enters the battlefield, choose a color.

{T}: Add {G}.

{T}: Add one mana of the chosen color.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Untap all permanents you control during each other player's untap step.

Tap an untapped Druid you control: Add {G}.

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

{G/U}{G/U}{G/U}{G/U}, {T}, Sacrifice Simic Locket: Draw two cards.

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

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

Trample

{5}: Permanents you control gain indestructible until end of turn.

{5}, Exile Soul of New Phyrexia from your graveyard: Permanents you control gain indestructible until end of turn.

Target player draws X cards.

Defender, hexproof

{T}: Add one mana of any color.

{T}: Add {C}.

{T}: Add {G} or {U}. Talisman of Curiosity deals 1 damage to you.

When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Tishana, Voice of Thunder's power and toughness are each equal to the number of cards in your hand.

You have no maximum hand size.

When Tishana enters the battlefield, draw a card for each creature you control.

Flash

When Torrential Gearhulk enters the battlefield, you may cast target instant card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Flash

When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)