Return all attacking creatures to their owner's hand.

Counter target spell.

Target player gains control of up to three target nonattacking creatures until end of turn. Untap those creatures. They block this turn if able.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control and you create a Treasure token." (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Look at the top five cards of your library. As many times as you choose, you may pay 1 life, put those cards on the bottom of your library in any order, then look at the top five cards of your library. Then shuffle and put the last cards you looked at this way on top in any order.

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

Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) Equip {4}

This artifact enters tapped. {T}: Add {B}.

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

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}. {T}: Roll the planar die. Activate only as a sorcery.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

The "legend rule" doesn't apply.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

Equipped creature can't be blocked except by Walls. Equip {2}

This artifact enters tapped. {T}: Add {U}.

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

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

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

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

{T}: Add one mana of any color that a land an opponent controls could produce.

({T}: Add {U}.)

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {B}.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {U} or {B}. Activate only if you control a Swamp.

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.

Changeling (This card is every creature type.) This creature can't block and can't be blocked.

Defender, flying Prevent all combat damage that would be dealt to this creature.

Flash When this creature enters, draw X cards, where X is the number of creatures that died under your control this turn.

Flying Whenever this creature deals combat damage to a player, exile the top seven cards of that player's library, then put a creature card from among them onto the battlefield under your control.

Flying Lieutenant — At the beginning of combat on your turn, if you control your commander, draw a card.

Whenever a creature an opponent controls dies, exile it with a hit counter on it. Assassins, Mercenaries, and Rogues you control have deathtouch and "Whenever this creature deals combat damage to a player, you may remove a hit counter from a card that player owns in exile. If you do, draw a card and create two Treasure tokens."

When this creature enters, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.

Whenever a land an opponent controls enters, that player loses 1 life. Put a +1/+1 counter on this creature.

When this creature enters, you take the initiative. If a creature an opponent controls would die, instead exile it and put a hit counter on it. Whenever this creature attacks, if you've completed a dungeon, defending player loses 1 life for each card they own in exile with a hit counter on it.

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Destroy all creatures. They can't be regenerated.

Search your library for a card, put that card into your hand, then shuffle.

Destroy all creatures you don't control and all planeswalkers you don't control.

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

All creatures get -4/-4 until end of turn.

If X is 1, scry 1, then draw a card. If X is 2, you may choose a player. They return a creature they control to its owner's hand. If X is 3, create a 4/4 blue and red Elemental creature token. If X is 4 or more, do all of the above.

Suspend 2—{1}{B} (Rather than cast this card from your hand, pay {1}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) Search your library for a card, put that card into your hand, then shuffle.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

At the beginning of your upkeep, draw a card for each Shrine you control.

Whenever a creature deals damage to you, destroy it.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Ward {3} Whenever you cast your second spell each turn, copy it, except the copy isn't legendary. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)