Q1: What does "X or more total colors" mean, exactly?
It refers to when a card has as many or more total colors than the number specified.
Lv.3 Gabumon ST21-10 R Rookie | Data | Reptile/ADVENTURE [Digivolve] Lv.2 w/[ADVENTURE] trait: Cost 0 [Your Turn] While your opponent has a Digimon with 10000 DP or more, or your Tamers have 3 or more total colors, this Digimon can digivolve into [MetalGarurumon] in the hand for a digivolution cost of 4, ignoring digivolution requirements. --- Inherited: [When Attacking] [Once Per Turn] <Draw 1>. (Draw 1 card from your deck.) Then, trash 1 card in your hand.
Lv.3 Gabumon ST21-10 R Rookie | Data | Reptile/ADVENTURE [Digivolve] Lv.2 w/[ADVENTURE] trait: Cost 0 [Your Turn] While your opponent has a Digimon with 10000 DP or more, or your Tamers have 3 or more total colors, this Digimon can digivolve into [MetalGarurumon] in the hand for a digivolution cost of 4, ignoring digivolution requirements. --- Inherited: [When Attacking] [Once Per Turn] <Draw 1>. (Draw 1 card from your deck.) Then, trash 1 card in your hand.
Lv.3 Gabumon ST21-10 R rookie | Data | Reptile/ADVENTURE [Digivolve] Lv.2 w/[ADVENTURE] trait: Cost 0 [Your Turn] While your opponent has a Digimon with 10000 DP or more, or your Tamers have 3 or more total colors, this Digimon can digivolve into [MetalGarurumon] in the hand for a digivolution cost of 4, ignoring digivolution requirements. --- Inherited: [When Attacking] [Once Per Turn] <Draw 1>. Then, trash 1 card in your hand.
Lv.3 ガブモン ST21-10 R 成長期 | データ種 | 爬虫類型/アドベンチャー 【自分のターン】DP10000以上の相手のデジモンがいるか、自分のテイマーの色合計が3色以上の間、このデジモンは手札の「メタルガルルモン」に進化条件を無視して進化コスト4で進化できる。 --- Inherited: 【アタック時】[ターンに1回]≪1ドロー≫(自分のデッキからカードを1枚引く)。その後、自分の手札1枚を破棄する。