革新の時代
エンチャント
アーティファクトか工匠が１つあなたのコントロール下で戦場に出るたび、あなたはを支払ってもよい。そうしたなら、あなたは
（エネルギー・カウンター２個）を得る。
を支払う, 革新の時代を生け贄に捧げる：カードを３枚引く。
イラスト：
Kaladesh#45アンコモン日本語適正
裁定
You can pay only once each time Era of Innovation’s first ability resolves. You can’t pay more to get more than .
If a creature that is both an artifact and an Artificer enters the battlefield under your control, Era of Innovation’s triggered ability triggers only once.
Energy counters aren’t mana. They don’t go away as steps, phases, and turns end, and effects that add mana “of any type” to your mana pool can’t give you energy counters.
is the energy symbol. It represents one energy counter.
You can’t pay more energy counters than you have.
Keep careful track of how many energy counters each player has. You may do so by keeping a running count on paper, by using a die, or by any other clear and mutually agreeable method.
Energy counters are a kind of counter that a player may have. They’re not associated with specific permanents. (Other kinds of counters that players may have include poison and experience.)
If an effect says you get one or more , you get that many energy counters. To pay one or more , you lose that many energy counters. Any effects that interact with counters a player gets, has, or loses can interact with energy counters.