Lv.6 AncientMermaimon      BT18-029  U
Mega | Data | Ancient Aquabeast/Ten Warriors

[On Play] [When Digivolving] Return 1 of your opponent's level 4 or lower Digimon to the hand. For each of your other Digimon, add 1 to the level this effect can choose.
[All Turns] When this Digimon would leave the battle area, from this Digimon's digivolution cards, you may return to the hand or play without paying the cost 1 level 4 or lower blue Digimon card.
DigiXros -2: [Lanamon]×[Calmaramon]

Lv.6 AncientMermaimon      BT18-029  U
Mega | Data | Ancient Aquabeast/Ten Warriors

[On Play] [When Digivolving] Return 1 of your opponent's level 4 or lower Digimon to the hand. For each of your other Digimon, add 1 to the level this effect can choose.
[All Turns] When this Digimon would leave the battle area, from this Digimon's digivolution cards, you may return to the hand or play without paying the cost 1 level 4 or lower blue Digimon card.
DigiXros -2: [Lanamon]×[Calmaramon]

Lv.6 AncientMermaimon      BT18-029  U
Mega | Data | Ancient Aquabeast/Ten Warriors

[On Play] [When Digivolving] Return 1 of your opponent's level 4 or lower Digimon to the hand. For each of your other Digimon, add 1 to this effect's level maximum.
[All Turns] When this Digimon would leave the battle area, you may return to the hand or play 1 level 4 or lower blue Digimon card from this Digimon's digivolution cards without paying the cost .
DigiXros -2: [Lanamon]×[Calmaramon]

Lv.6 エンシェントマーメイモン      BT18-029  U
究極体 | データ種 | 古代水棲獣人型/十闘士

【登場時】【進化時】Lv.4以下の相手のデジモン1体を手札に戻す。他の自分のデジモン1体ごとに、この効果で選べるLv.+1。
【お互いのターン】このデジモンがバトルエリアを離れるとき、このデジモンの進化元から、青のLv.4以下のデジモンカード1枚を手札に戻すか、コストを支払わずに登場できる。
「ラーナモン」×「カルマーラモン」
登場するとき、手札/バトルエリアからこのカードの下に置ける。1枚ごとに登場コストをマイナスする