- Delete 1 of your opponent’s Digimon with the lowest play cost. If this effect didn't delete, trash the top cards of your opponent's security stack so that it has 1 card left.
Rulings
Q1: What does a card with "X in its text" refer to?
It refers to a card that contains the specified text or icon in its name, traits, effects, inherited effects, (Rule), digivolution requirements, DNA digivolution, DigiXros requirements, burst digivolve, App Fusion, or Link. For example, a card with Knightmon in its text would include cards with the name DarkKnightmon and cards with the text Knightmon in their effects.
Q2: My opponent has a Digimon. Can I meet the "if this effect didn't delete" condition in this card's Delay effect by not choosing a card to delete?
No, you can't. If your opponent has a Digimon, you must choose that card and delete it.
Q3: My opponent has a Digimon. Can I meet the "if this effect didn't delete" condition in this card's Delay effect by choosing an opponent's Digimon with an effect that prevents deletion?
Yes, you can.
Data Sources
Ragnarok Cannon BT21-098 C LIBERATOR [Main] Delete 1 of your opponent's Digimon with the lowest play cost. Then, place this card in the battle area. [Your Turn] When one of your [Galacticmon] attacks, <Delay> • Delete 1 of your opponent's Digimon with the lowest play cost. If this effect didn't delete, trash the top cards of your opponent's security stack so that it has 1 card left. --- [Security] You may play 1 card with [Vemmon] in its text and a play cost of 6 or less from your hand or trash without paying the cost. Then, add this card to the hand.
Ragnarok Cannon BT21-098 C LIBERATOR [Main] Delete 1 of your opponent's Digimon with the lowest play cost. Then, place this card in the battle area. [Your Turn] When one of your [Galacticmon] attacks, <Delay> • Delete 1 of your opponent's Digimon with the lowest play cost. If this effect didn't delete, trash the top cards of your opponent's security stack so that it has 1 card left. --- [Security] You may play 1 card with [Vemmon] in its text and a play cost of 6 or less from your hand or trash without paying the cost. Then, add this card to the hand.
Ragnarok Cannon BT21-098 C LIBERATOR [Main] Delete 1 of your opponent's Digimon with the lowest play cost. Then, place this card in the battle area. [Your Turn] When one of your [Galacticmon] attacks, <Delay> • Delete 1 of your opponent's Digimon with the lowest play cost. If this effect didn't delete, trash the top cards of your opponent's security stack so that it has 1 card left. ---