Return an Elf you control to its owner's hand: Untap target creature. Activate this ability only once each turn.

, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card and put it onto the battlefield. Then shuffle your library.

Whenever you cast a creature spell this turn, draw a card.

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

Nettle Sentinel doesn't untap during your untap step.
Whenever you cast a green spell, you may untap Nettle Sentinel.

: Add to your mana pool.

Tap three untapped Elves you control: Add to your mana pool.

When Elvish Visionary enters the battlefield, draw a card.

: Add to your mana pool for each Elf on the battlefield.

Tap two untapped Elves you control: Add one mana of any color to your mana pool.
Morph

: Add to your mana pool for each creature you control.

, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card and put it onto the battlefield. Then shuffle your library.

Return a Forest you control to its owner's hand: Untap target creature. Activate this ability only once each turn.

Changeling
: Creatures you control become X/X and gain all creature types until end of turn.

: Add to your mana pool.

, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card and put it onto the battlefield. Then shuffle your library.

: Add to your mana pool.
: Target 1/1 creature gets +1/+2 until end of turn.

, Pay 1 life: Add or to your mana pool.
, , Sacrifice Horizon Canopy: Draw a card.

As an additional cost to cast Crop Rotation, sacrifice a land.
Search your library for a land card and put that card onto the battlefield. Then shuffle your library.

(Dryad Arbor isn't a spell and it's affected by summoning sickness.)
Dryad Arbor is green.

When Viridian Shaman enters the battlefield, destroy target artifact.

When Regal Force enters the battlefield, draw a card for each green creature you control.

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte.
Remove a charge counter from Umezawa's Jitte: Choose one - Equipped creature gets +2/+2 until end of turn; or target creature gets -1/-1 until end of turn; or you gain 2 life.
Equip

Noncreature spells cost more to cast.

Living Weapon
Equipped creature gets +0/+1 and has "Sacrifice this creature: This creature deals 1 damage to target creature or player."
Equip

Creatures with power 3 or greater don't untap during their controllers' untap steps.

First strike
Noncreature spells cost more to cast.

Noncreature spells with converted mana cost 4 or greater can't be cast.
Noncreature spells with in their mana costs can't be cast.

:Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.

Exalted
, Sacrifice Qasali Pridemage: Destroy target artifact or enchantment.

Flying
Discard Faerie Macabre: Exile up to two target cards from graveyards.

All creatures lose all abilities and are 1/1.