Spells and abilities your opponents control can't cause you to sacrifice permanents.

Ashaya's power and toughness are each equal to the number of lands you control. Nontoken creatures you control are Forest lands in addition to their other types. (They're still affected by summoning sickness.)

Trample As long as this card is in your graveyard and you control a Forest, creatures you control have trample.

Trample Cultivator Colossus's power and toughness are each equal to the number of lands you control. When this creature enters, you may put a land card from your hand onto the battlefield tapped. If you do, draw a card and repeat this process.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) Dungrove Elder's power and toughness are each equal to the number of Forests you control.

This creature gets +1/+1 for each Forest you control. Disguise {4}{G} When this creature is turned face up, search your library for up to two Forest cards and reveal them. Put one of them onto the battlefield tapped and the other into your hand, then shuffle.

Kalonian Twingrove's power and toughness are each equal to the number of Forests you control. When this creature enters, create a green Treefolk Warrior creature token with "This token's power and toughness are each equal to the number of Forests you control."

Reach, trample Multani gets +1/+1 for each land you control and each land card in your graveyard. {1}{G}, Return two lands you control to their owner's hand: Return Multani from your graveyard to your hand.

Equipped creature gets +X/+X, where X is the number of Forests you control. Whenever equipped creature attacks, create a 1/1 green Forest Dryad land creature token. (It's affected by summoning sickness.) Equip {3}

You may play Forests from your graveyard. Whenever a Forest you control enters, create a 5/3 green Elemental creature token. Whenever an Elemental you control dies, you may mill three cards.

Reach Ulvenwald Hydra's power and toughness are each equal to the number of lands you control. When this creature enters, you may search your library for a land card, put it onto the battlefield tapped, then shuffle.

Whenever this creature enters or attacks, mill three cards, then return a land card from your graveyard to the battlefield tapped. Activated abilities of lands you control cost {1} less to activate. Land creatures you control get +1/+1.

Treefolk spells and Shaman spells you cast cost {1} less to cast.

Braulios's power and toughness are each equal to the number of lands you control. Whenever Braulios attacks, draw a card, then you may put a land card from your hand onto the battlefield.

You may play an additional land on each of your turns. To solve — You control seven or more lands. (If unsolved, solve at the beginning of your end step.) Solved — You may look at the top card of your library any time, and you may play lands and cast creature and enchantment spells from the top of your library.

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

As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Reach Whenever another permanent you control enters, if it wasn't put onto the battlefield with this ability, you may put a permanent card with equal or lesser mana value from your hand onto the battlefield. Partner (You can have two commanders if both have partner.)

This Vehicle's power is equal to the number of lands you control. Whenever this Vehicle enters or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Crew 4

{T}: You may put a land card from your hand onto the battlefield.

{T}: You may put a land card from your hand onto the battlefield. Activate only as a sorcery.

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

You may look at the top card of your library any time. You may play lands from the top of your library. Coven — As long as you control three or more creatures with different powers, you may cast creature spells from the top of your library.

When this enchantment enters, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.) Whenever a creature you control with power 4 or greater enters, draw a card.

+1: Create a 3/3 green Beast creature token. −3: Draw cards equal to the greatest power among creatures you control. −6: Create a 6/6 green Wurm creature token for each land you control.

Until end of turn, target creature gets +3/+3 and gains trample and "Whenever this creature deals combat damage to a player, draw that many cards."

Reveal the top four cards of your library. You may put a permanent card from among them into your hand. Put the rest into your graveyard. Create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add {C}."

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Choose up to five {P} worth of modes. You may choose the same mode more than once. {P} — Put a +1/+1 counter on a creature you control. It gains vigilance and trample until end of turn. {P}{P} — Choose artifact or enchantment. Destroy all permanents of the chosen type. {P}{P}{P} — Draw cards equal to the greatest power among creatures you control.

Draw cards equal to the power of target creature you control.

When this creature enters, starting with you, each player may choose an artifact or enchantment you don't control. Destroy each permanent chosen this way.

Enchant creature When this Aura enters, draw a card. Enchanted creature loses all abilities and is a green Elk creature with base power and toughness 3/3. (It loses all other card types and creature types.)

Vigilance Whenever this creature enters or attacks, exile a card from a graveyard. Spells you cast cost {1} less to cast for each card type they share with cards exiled with this creature.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Threshold — If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Sacrifice this creature: You may put a land card from your hand onto the battlefield.

Reach Whenever another nontoken creature you control dies, you may 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.

When this creature enters, mill three cards. {3}{G}, Sacrifice this creature: Return all land cards from your graveyard to the battlefield tapped.

At the beginning of your end step, if you control a creature, look at the top seven cards of your library. Then you may sacrifice a creature. If you do, you may put a creature card with mana value X or less from among those cards onto the battlefield, where X is 1 plus the sacrificed creature's mana value. Put the rest on the bottom of your library in a random order.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.

{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.

{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

As an additional cost to cast this spell, sacrifice a creature. Draw cards equal to the sacrificed creature's power.

As an additional cost to cast this spell, sacrifice a creature. You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.

Enchant creature When enchanted creature dies, that creature's controller may search their library for a creature card, put that card onto the battlefield, then shuffle.

{1}, Sacrifice a creature: Search your library for a land card with a basic land type, put it onto the battlefield tapped, then shuffle.

+2: You may sacrifice a creature. If you do, search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put it onto the battlefield, then shuffle. +1: Mill five cards, then put any number of creature cards milled this way into your hand. −1: Create a 4/4 green Rhino Warrior creature token.