Q1: I have 8 or more yellow Tamers in play, and use BT2-099 Glorious Burst. Can I activate this card's inherited effect?
No. BT2-099 Glorious Burst’s cost has been changed to 1, so using it isn’t considered to be using an Option card with a cost of 2 or more.
Lv.4 Youkomon EX4-026 U Champion | Data | Mysterious Beast The name of this card/Digimon is also treated as [Kyubimon]. [On Play] [When Digivolving] Until the end of your opponent's turn, 1 of your Digimon gains <Blocker>. (When an opponent's Digimon attacks, you may suspend this Digimon to force the opponent to attack it instead.) --- Inherited: [Your Turn] [Once Per Turn] When you use an Option card with a cost of 2 or more, 1 of your opponent's Digimon gets -2000 DP for the turn.
Lv.4 Youkomon EX4-026 U Champion | Data | Mysterious Beast Digivolve: 2 from [Renamon] The name of this card/Digimon is also treated as [Kyubimon]. [On Play] [When Digivolving] Until the end of your opponent's turn, 1 of your Digimon gains <Blocker>. (When an opponent's Digimon attacks, you may suspend this Digimon to force the opponent to attack it instead.) --- Inherited: [Your Turn] [Once Per Turn] When you use an Option card with a cost of 2 or more, 1 of your opponent's Digimon gets -2000 DP for the turn.
Lv.4 Youkomon EX4-026 U Champion | Data | Mysterious Beast {{DigivolveFromNames|2|Renamon}} [On Play] [When Digivolving] Until the end of your opponent's next turn, 1 of your Digimon gains <Blocker>. --- Inherited: [Your Turn] [Once Per Turn] When you use an Option card with a cost of 2 or more, 1 of your opponent's Digimon gets -2000 DP for the turn.
Lv.4 ヨウコモン EX4-026 U 成熟期 | データ種 | 妖獣型 このカード/デジモンの名称は「キュウビモン」としても扱う。 【登場時】【進化時】次の相手のターン終了まで、自分のデジモン1体は≪ブロッカー≫(相手のデジモンがアタックしたとき、このデジモンをレストさせることでアタックの対象をこのデジモンにする)を得る。 --- Inherited: 【自分のターン】[ターンに1回]自分が使用コスト2以上のオプションカードを使用したとき、このターンの間、相手のデジモン1体をDP-2000。