Choose two target players. Each of them searches their library for a card, then shuffles and puts that card on top.

( can be paid with either or 2 life.)
Look at target player's hand.
Draw a card.

Exile target creature. Its controller gains life equal to its power.

: Remove target attacking creature you control from combat and untap it. (If you activate during end of combat, the creature will untap after it deals combat damage.)

Add .

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity.
Equip commander
Equip

Return target creature card with mana value 3 or less from your graveyard to the battlefield.
Cycling (, Discard this card: Draw a card.)

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

All creatures have haste.

Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)
Delirium — As long as there are four or more card types among cards in your graveyard, this creature gets +2/+2, has flying, and attacks each combat if able.

Sacrifice this creature: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Shroud (This enchantment can't be the target of spells or abilities.)
: Put X tower counters on this enchantment.
At the beginning of your upkeep, if there are 100 or more tower counters on this enchantment, you win the game.

Enchant Forest
As this Aura enters, choose a color.
Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.

: Look at the top three cards of your library, then put them back in any order.
: Draw a card, then put this artifact on top of its owner's library.

A deck can have any number of cards named Shadowborn Apostle.
, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demon creature card, put it onto the battlefield, then shuffle.

( can be paid with either or 2 life.)
Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles.

At the beginning of each player's first main phase, that player adds .

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

Whenever a permanent you control enters tapped, untap it.

Sacrifice a Goblin: Add .

, Pay 2 life: Return target creature card from your graveyard to your hand.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays .

Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

When this creature enters, each opponent loses 1 life and you gain 1 life.
Sacrifice a Food: Return this card from your graveyard to the battlefield.

Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

Devoid (This card has no color.)
Target creature can't be blocked this turn.
Draw a card.

When a player casts a spell or a creature attacks, exile Norin. Return it to the battlefield under its owner's control at the beginning of the next end step.

All creatures have haste.

Draw a card. Scry 2.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Create X 1/1 white Warrior creature tokens.

When this creature enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)

As an additional cost to cast this spell, sacrifice a creature.
Add X mana in any combination of and/or , where X is the sacrificed creature's mana value.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.