収集家の檻 {1}{W}

アーティファクト

秘匿５（このアーティファクトが戦場に出たとき、あなたのライブラリーの一番上にあるカード５枚を見て、そのうち１枚を裏向きで追放し、その後、残りを一番下に無作為の順番で置く。）

{1}, {T}：あなたがコントロールしているクリーチャー１体を対象とする。それの上に＋１/＋１カウンター１個を置く。その後、あなたがパワーが異なる３体以上のクリーチャーをコントロールしているなら、その追放されているカードを、マナ・コストを支払うことなくプレイしてもよい。

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
Any player who has controlled a permanent with a hideaway ability since a card was exiled with it may look at that card. (2024-04-12)
Previously, permanents with hideaway entered the battlefield tapped. This ability has been removed from the definition of hideaway. Older cards have received errata to have an additional paragraph that reads "[This permanent] enters the battlefield tapped," and they now have hideaway 4. (2024-04-12)
Hideaway now causes you to put the rest of the cards on the bottom of your library in a random order instead of any order. (2024-04-12)
Collector's Cage's last ability looks at the creatures you control as it resolves to determine if you can play the exiled card. For example, if you control a 4/5 creature, a 1/1 creature, and a 2/1 creature, there are three different powers among creatures you control. (2024-04-12)

You choose whether to play the exiled card as Collector's Cage's last ability resolves. If you do, you do so as part of the resolution of that ability. You can't wait to play it later in the turn. Timing restrictions based on the card's types are ignored. However, you can never play lands on other players' turns. (2024-04-12)
If you cast a spell "without paying its mana cost," you can't choose to cast it for any alternative costs. You can, however, pay additional costs, such as kicker costs. If the spell has any mandatory additional costs, those must be paid to cast the spell. (2024-04-12)
If the spell you cast has {X} in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost. (2024-04-12)