Advanced format ruling
Drill Warrior
Card effect (current official text)"Drill Synchron" + 1 or more non-Tuner monsters
Once per turn, during your Main Phase 1: You can halve this card's ATK, and if you do, it can attack your opponent directly this turn. Once per turn: You can discard 1 card, and if you do, banish this card. During your next Standby Phase: Special Summon this card banished by this effect, then add 1 monster from your Graveyard to your hand.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.