As an additional cost to cast this spell, sacrifice a blue permanent.

Counter target spell.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.

As Adaptive Automaton enters the battlefield, choose a creature type.

Adaptive Automaton is the chosen type in addition to its other types.

Other creatures you control of the chosen type get +1/+1.

Creatures you control have flying, first strike, vigilance, trample, haste, and protection from black and from red.

{T}: Untap target Forest.

Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

{1}{G}: Regenerate target creature.

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

Flying

{T}: Add one mana of any color.

Draw three cards, then put two cards from your hand on top of your library in any order.

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

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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.)

Return target permanent to its owner's hand.

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.)

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

Whenever Copperhorn Scout attacks, untap each other creature you control.

Haste

When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

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.

At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.

Choose a creature type. Draw a card for each permanent you control of that type.

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.

Other Elf creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Other Elves have shroud. (They can't be the targets of spells or abilities.)

Creatures you control get +1/+1 and have flying and indestructible.

At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice Eldrazi Monument.

Other Elf creatures you control get +1/+1.

{T}: Add {G} for each Elf you control.

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G} for each Elf on the battlefield.

Create a 1/1 green Elf Warrior creature token for each Elf you control.

When Elvish Visionary enters the battlefield, draw a card.

Green spells you cast cost {1} less to cast.

{G}: Regenerate another target Elf.

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

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

{T}: Add {G}.

Creatures you control get +1/+1.

{T}: Add {G} for each creature you control.

Flying

+1: Untap two target lands.

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

-4: Creatures you control get +3/+3 and gain trample until end of turn.

As Gauntlet of Power enters the battlefield, choose a color.

Creatures of the chosen color get +1/+1.

Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

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.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

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.

Trample

Heedless One's power and toughness are each equal to the number of Elves on the battlefield.

{T}: Put a +1/+1 counter on target creature for each Elf you control.

Other Elves you control get +1/+1.

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

({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}.)

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library.

0: Draw three cards, then put two cards from your hand on top of your library in any order.

-1: Return target creature to its owner's hand.

-12: Exile all cards from target player's library, then that player shuffles their hand into their library.

Level up {1}{G} ({1}{G}: Put a level counter on this. Level up only as a sorcery.)

LEVEL 1-4

1/2

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

LEVEL 5+

1/4

Elves you control have "{T}: Add {G}{G}."

Multikicker {1}{G} (You may pay an additional {1}{G} any number of times as you cast this spell.)

Joraga Warcaller enters the battlefield with a +1/+1 counter on it for each time it was kicked.

Other Elf creatures you control get +1/+1 for each +1/+1 counter on Joraga Warcaller.

Green creatures you control get +1/+1.

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.

Creatures you control have flying.

{T}: Add {G}.

Whenever you cast an Elf spell, you may create a 1/1 green Elf Warrior creature token.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

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

Whenever you cast a green creature spell, you may search your library for a creature card, reveal it, then shuffle and put that card on top.

Whenever you cast a blue creature spell, reveal the top card of your library. If it's a creature card, put that card into your hand.

Play with the top card of your library revealed.

As long as the top card of your library is a creature card, Mul Daya Channelers gets +3/+3.

As long as the top card of your library is a land card, Mul Daya Channelers has "{T}: Add two mana of any one color."

Destroy target artifact or enchantment.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

+1: Search your library for a card named Nissa's Chosen, put it onto the battlefield, then shuffle.

+1: You gain 2 life for each Elf you control.

-7: Search your library for any number of Elf creature cards, put them onto the battlefield, then shuffle.

If Nissa's Chosen would die, put it on the bottom of its owner's library instead.

You may play an additional land on each of your turns.

Play with the top card of your library revealed.

You may play lands from the top of your library.

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

({U/P} can be paid with either {U} or 2 life.)

You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

{T}: Add {G} for each Elf on the battlefield.

{T}: Add {G} for each Forest you control.

{3}, {T}: Search your library for an Elf permanent card, put it onto the battlefield, then shuffle.

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

Creatures you control have horsemanship. (They can't be blocked except by creatures with horsemanship.)

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Reach

When Sylvan Primordial enters the battlefield, for each opponent, destroy target noncreature permanent that player controls. For each permanent destroyed this way, search your library for a Forest card and put that card onto the battlefield tapped. Then shuffle.

Take an extra turn after this one.

Reach, deathtouch

Target player takes an extra turn after this one.

Until end of turn, creatures you control get +1/+1 and gain trample and infect. (Creatures with infect deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

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

Flying

Whenever Trygon Predator deals combat damage to a player, you may destroy target artifact or enchantment that player controls.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Viridian Corrupter enters the battlefield, destroy target artifact.

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

Trample

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

Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.

{T}: Add {C}.

{G}, {T}: Untap target Elf.