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.

Whenever you scry, put a +1/+1 counter on target creature.

{4}{G}{U}: Scry 2.

Whenever you cast a creature spell, draw a card.

{T}: Gain control of target creature with power less than or equal to the number of creatures you control.

{T}: For each color among permanents you control, add one mana of that color.

Whenever you attack with one or more Elves, scry 1.

Whenever you scry, Celeborn the Wise gets +1/+1 until end of turn for each card looked at while scrying this way.

Imprint -- When Clone Shell enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library in any order.

When Clone Shell dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

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

Sacrifice Commander's Sphere: Draw a card.

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

Look at the top four cards of your library. You may reveal an enchantment or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

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.

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

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

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

{G}, Sacrifice a creature: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Each player who controls an artifact or enchantment creates a 2/2 green Bear creature token. Then destroy all artifacts and enchantments.

At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.

Draw a card. You may put a land card from your hand onto the battlefield.

Reach

Legolas Greenleaf can't be blocked by creatures with power 2 or less.

Whenever another legendary creature enters the battlefield under your control, put a +1/+1 counter on Legolas Greenleaf.

Whenever Legolas Greenleaf deals combat damage to a player, draw a card.

Reach

Whenever you scry, if Legolas, Counter of Kills is tapped, you may untap it. Do this only once each turn.

Whenever a creature an opponent controls dies, put a +1/+1 counter on Legolas.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Each other creature you control enters the battlefield with a number of additional +1/+1 counters on it equal to Master Biomancer's power and as a Mutant in addition to its other types.

+2: Until your next turn, up to one target creature gets -2/-0 and loses flying.

-3: Create a 4/4 blue Elemental Bird creature token with flying.

-8: You get an emblem with "Islands you control have '{T}: Draw a card.'"

Each opponent can't draw more than one card each turn.

-2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Choose one --

• Return all creature tokens to their owners' hands.

• Return all nontoken creatures to their owners' hands.

({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.

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

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

Whenever Sludge Monster enters the battlefield or attacks, put a slime counter on up to one other target creature.

Non-Horror creatures with slime counters on them lose all abilities and have base power and toughness 2/2.

Return target creature to its owner's hand. Untap up to two lands.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Compleated ({G/U/P} can be paid with {G}, {U}, or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)

+1: Tap up to one target artifact or creature. It doesn't untap during its controller's next untap step.

-X: Exile target nonland permanent card with mana value X from your graveyard. Create a token that's a copy of that card.

-7: Create Tamiyo's Notebook, a legendary colorless artifact token with "Spells you cast cost {2} less to cast" and "{T}: Draw a card."

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.

You have no maximum hand size.

{T}: Add {C}.

Flying

Whenever you cast a spell, return target permanent to its owner's hand.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.