Gallantmon (BT17-016 R) [Secret Crisis]

Product Details

[When Digivolving] [When Attacking] Delete 1 of your opponent's Digimon with 8000 DP or less. If this effect didn't delete, this Digimon gets +3000 DP and gains Blocker until the end of your opponent's turn.
[Your Turn] While you have 0 or less memory, this Digimon isn't affected by your opponent's effects.