Negate

Elvish Mystic

Rolling Thunder

Rolling Thunder deals X damage divided as you choose among any number of targets.

Distant Melody

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

Sylvan Ranger

When Sylvan Ranger enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Timberwatch Elf

{T}: Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.

Lys Alana Huntmaster

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

Elvish Vanguard

Whenever another Elf enters, put a +1/+1 counter on Elvish Vanguard.

Forest

Priest of Titania

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

Spidersilk Armor

Creatures you control get +0/+1 and have reach. (They can block creatures with flying.)

Valakut Invoker

{8}: Valakut Invoker deals 3 damage to any target.

Lead the Stampede

Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.

Gleeful Sabotage

Destroy target artifact or enchantment.
Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Kaervek's Torch

As long as Kaervek's Torch is on the stack, spells that target it cost {2} more to cast.
Kaervek's Torch deals X damage to any target.

Nettle Sentinel

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

Fyndhorn Elves

Faerie Macabre

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

Llanowar Elves

Scattershot Archer

{T}: Scattershot Archer deals 1 damage to each creature with flying.

Wrap in Vigor

Wellwisher

{T}: You gain 1 life for each Elf on the battlefield.

Island

Ulamog's Crusher

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)
Ulamog's Crusher attacks each combat if able.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Birchlore Rangers

Tap two untapped Elves you control: Add one mana of any color.
Morph {G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Quirion Ranger

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