Rulings
Q1: Does this card's digivolution requirement where it can digivolve from a Tamer mean that the Tamer that will become a digivolution card is treated as a Digimon when it digivolves?
No, it digivolves from the Tamer as-is.
Q2: When a Tamer would digivolve using this card's digivolution requirement, is it considered a Digimon that would digivolve?
No, it isn't considered a Digimon that would digivolve. When a Tamer would digivolve using this card's digivolution requirement, "when a Digimon would digivolve" effects don't trigger.
Q3: When a Tamer digivolves using this card's digivolution requirement, is it considered a Digimon that digivolves?
No, it isn't considered a Digimon that digivolves. When a Tamer digivolves using this card's digivolution requirement, "when a Digimon digivolves" effects don't trigger.
Data Sources
Lv.4 Calmaramon BT18-024 C Hybrid | Variable | Aquatic [Digivolve] [Lanamon]: Cost 1 [On Play] [When Digivolving] If level 3 Digimon cards are in this Digimon's digivolution cards, return 1 of your opponent's level 4 or lower Digimon to the hand. If such aren't, you may place 1 blue level 3 Digimon card from your hand as this Digimon's bottom digivolution card. --- Inherited: [When Attacking] [Once Per Turn] You may return 1 level 3 Digimon to the hand.
Lv.4 Calmaramon BT18-024 C Hybrid | Variable | Aquatic [Digivolve] [Lanamon]: Cost 1 [On Play] [When Digivolving] If level 3 Digimon cards are in this Digimon's digivolution cards, return 1 of your opponent's level 4 or lower Digimon to the hand. If such aren't, you may place 1 blue level 3 Digimon card from your hand as this Digimon's bottom digivolution card. --- Inherited: [When Attacking] [Once Per Turn] You may return 1 level 3 Digimon to the hand.
Lv.4 Calmaramon BT18-024 C
Hybrid | Variable | Aquatic
[Digivolve] [Lanamon]: Cost 1
[On Play] [When Digivolving] If a level 3 Digimon card Is in this Digimon's digivolution cards, return 1 of your opponent's level 4 or lower Digimon to the hand. If there isn't, you may place 1 {{Colour|blue}} level 3 Digimon card from your hand as this Digimon's bottom digivolution card.
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Inherited: [When Attacking] [Once Per Turn] You may return 1 level 3 Digimon to the hand.Lv.4 カルマーラモン BT18-024 C ハイブリッド体 | ヴァリアブル種 | 水棲型 「ラーナモン」:コスト1 【登場時】【進化時】このデジモンの進化元にLv.3のデジモンカードがあるなら、Lv.4以下の相手のデジモン1体を手札に戻す。このデジモンの進化元にLv.3のデジモンカードがないなら、自分の手札から、青のLv.3のデジモンカード1枚をこのデジモンの進化元の下に置ける。 --- Inherited: 【アタック時】[ターンに1回]Lv.3のデジモン1体を手札に戻せる。