Vaylantz Wave - Master Phase (DUNE-EN074) - Duelist Nexus 1st Edition

Once per turn, if a card in the Monster Zone moves to another Monster Zone (except during the Damage Step): You can activate 1 of these effects;
• Level 5 or higher "Vaylantz" monsters you currently control gain 1200 ATK until the end of this turn.
• Send this face-up card from the Spell & Trap Zone to the GY, then target 1 Effect Monster in your opponent's Main Monster Zone; place that opponent's monster face-up as a Continuous Spell in their Spell & Trap Zone in its same column. (If the zone is occupied, destroy the occupying card.)