Union Attack [LCYW-EN083] Common Pegasus You can only use each

You can only use each effect of "The Phantom Knights of Cloven Helm" once per turn

You can only use the effect of "Unknown Synchron" once per Duel

if the turn player successfully conducts their third Summon of a monster(s) this turn: It becomes the End Phase

Remove from play all Machine-Type monsters on your opponent''s side of the field and in their Graveyard

Union Attack [LCYW-EN083] Common Pegasus You can only use eachSet: Legendary Collection 3: Yugi's World Card type: Normal Spell Rarity: Common Target 1 face up monster you control; add up the total ATK of all other face up Attack Position monsters you currently control, then during the Battle Phase of this turn only, the monster gains that much ATK, but cannot inflict battle damage to your opponent, also other face up Attack Position monsters cannot attack.