"I gazed once into that light. Now it burns in my mind, forever denying me rest."
—Riku of Two Reflections

Command Beacon

If you cast a commander from your hand, the additional cost based on the number of times you've cast it from your command zone (sometimes referred to as the "commander tax") doesn't apply. Additionally, that casting won't add to the tax if you later cast the commander from the command zone.

If your commander isn't in the command zone (or you're not playing Commander) as the last ability resolves, nothing happens.

If you have two commanders with the partner ability in the command zone, Command Beacon's effect puts one of your choice into your hand, not both.

If you cast a commander from your hand, the commander tax doesn't apply. Additionally, that casting won't add to commander tax if you later cast the commander from the command zone.

If your commander isn't in the command zone (or you don't have a commander) as the last ability resolves, nothing happens.

{T}: Add {C}.
{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

Commander's Plate

If you have no commander, Commander's Plate grants no protection abilities. The equipped creature still gets +3/+3.

If you have two commanders and attach Commander's Plate to one, it has protection from each color not in your two commanders' combined color identity.

If your commander is a card that has no colors in its color identity, Commander's Plate gives it protection from all colors.

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity.
Equip commander {3}
Equip {5}

Keeper of the Accord

Both triggered abilities trigger at the same time. You may put them on the stack in either order.

If the opponent doesn't control more creatures than you as their end step begins, the first ability won't trigger. The same is true for lands and the second ability. Each of those abilities will check again when it tries to resolve. If the opponent no longer controls more creatures (or lands) than you, the ability won't resolve and will have no effect.

At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token.
At the beginning of each opponent's end step, if that player controls more lands than you, you may search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Opposition Agent

If a spell or ability instructs an opponent you control to search multiple zones including the library, you decide what cards they find in all zones. They'll exile all cards they find in any of the zones.

If more than one player controls an Opposition Agent, and another player searches their library, the controller of the Opposition Agent that most recently entered the battlefield controls that player during the search. Because the last ability of each Opposition Agent is trying to exile the card and give permission to play it, the owner of the exiled card chooses which effect wins. However, that owner will be under another player's control, so that player controlling that owner actually makes the decision. In other words, the player who controls the Opposition Agent whose effect applies (and thus controls the opponent) can choose to give themselves all the play permissions unless they're feeling very generous.

If the search instruction states a quality of the card to find, such as a color or card type, you may have the opponent not find any cards. If the search is simply for a number of cards without stating a quality, you must have them find that many cards (or as many as possible, if their library doesn't contain that many cards).

In a multiplayer game, if a player leaves the game, all cards that player owns leave as well.

The cards found in the search will be exiled rather than be put wherever the spell or ability tells the opponent to put them after finding them. Any other effects the spell or ability has will still apply. If such an effect refers to the found cards, it can't see them in exile.

While controlling an opponent, you can't make any choices or decisions for that player related to tournament rules. You can't make them concede or have them agree to an intentional draw.

While controlling an opponent, you make all choices and decisions for that player. However, because the control effect is limited to while they're searching their libraries, it's unlikely the player will be allowed to make any decisions other than what to find with the search.

You can't have the player find cards in their library that aren't asked for by the search instruction. For example, if the opponent is searching their library for a basic land card, you can't have them find a different card, such as a creature card.

You must follow the normal timing permissions and restrictions for each exiled card. If one is a land, you can't play it unless you have land plays available.

You'll still pay all costs for a spell cast this way, including additional costs. You may also pay alternative costs if any are available.

Flash
You control your opponents while they're searching their libraries.
While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.

A figure is moved on a map, and the tide of war changes.

War Room

Color identity is set before the game begins and doesn't change during the game, even if your commander is in a hidden zone (like the hand or library) or an effect changes your commander's color.

If you don't have a commander, you can't activate War Room's last ability at all.

If your commander has no colors in its color identity, you pay no life to activate War Room's last ability.

{T}: Add {C}.
{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Its bewildered bellow was met with a stern "shh."

Wrong Turn

A player gaining control of a creature doesn't cause that player to gain control of any Auras or Equipment attached to that creature.

Target opponent gains control of target creature. (If an attacking or blocking creature changes controllers, it's removed from combat.)

Card (6)	Type	^{$0.00 (0.00)} Price
Command Beacon	Land	$0.00 ^(0.00)
Commander's Plate	Artifact	$0.00 ^(0.00)
Keeper of the Accord	Creature	$0.00 ^(0.00)
Opposition Agent	Creature	$0.00 ^(0.00)
War Room	Land	$0.00 ^(0.00)
Wrong Turn	Instant	$0.00 ^(0.00)

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