You may play an additional land on each of your turns.
You may play lands from your graveyard.
Landfall — Whenever a land you control enters, mill a card.

This artifact enters with X charge counters on it.
Whenever a player casts a spell with mana value equal to the number of charge counters on this artifact, counter that spell.

Onionfect (This creature deals damage in the form of giving you Food tokens.)
At the beginning of your end step, put X +1/+1 counters on target creature you control, where X is the number of Foods you've sacrificed this turn.
Crew 1
The Vegetable Car can be your commander.

: Add .
, : Put target artifact card from your graveyard on top of your library.

Devoid (This card has no color.)
Whenever a land an opponent controls enters, that player exiles the top two cards of their library and you draw two cards.

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Whenever a nontoken creature you control dies, this creature deals 1 damage to you and you draw a card.

: Add .
, : Put target artifact card from your graveyard on top of your library.

Whenever a Sliver deals combat damage to a creature, destroy that creature. It can't be regenerated.

: Add one mana of any type that a land you control could produce.

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

Threshold — As long as there are seven or more cards in your graveyard, this enchantment has "Whenever an opponent casts a spell, you may put a creature card from your hand onto the battlefield."

Vigilance
If a permanent entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
Permanents entering don't cause abilities of permanents your opponents control to trigger.

When The Fantastic Four enter and whenever you cast a spell with power, toughness, or mana value 4, choose one that hasn't been chosen this turn.
• Create a 0/4 colorless Wall creature token with defender.
• The Fantastic Four deal 3 damage to each opponent.
• Put two +1/+1 counters on target creature.
• Draw a card.

(: Add .)

As an additional cost to cast this spell, sacrifice a creature.
Search your library for a card, put that card into your hand, then shuffle.

, : Create a 1/1 black and red Demon creature token named Minor Demon.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

Equipped creature gets +2/+2 and has protection from red and from white.
Whenever equipped creature deals combat damage to a player, this Equipment deals damage to that player equal to the number of cards in their hand and you gain 1 life for each card in your hand.
Equip

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each in the mana costs of permanents you control counts toward your devotion to blue.)