If a monster you control battles an opponent's monster, during damage calculation: The ATK of each monster in that battle becomes equal to their current DEF, until the end of the Damage Step.
Inbound references
special summon from deck (16)
+2
+2-1
+2-1
+2-1
+1
+1
+1
+1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-2
+1-2
special summon from deck negated (2)
+1
+1
add from deck to hand (13)
+1
+1
+1
+1
+2-1
+1
+1
+1
+1
+1-1
+1-1
+1-3
+1-3
special summon from hand (15)
+2
+2-1
+2-1
+2-1
+1
+1
+1
+1
+1
+1
+1-1
+1-1
+1-1
+1-1
+1-2
special summon from hand face down (1)
+1-1
excavate and send to gy (16)
+1
+1-1
-1
-1
-1
send from deck to gy (4)
-1
-1
-1
-2
special summon from gy (18)
+2-1
+2-1
+1
+1
+1
+1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+2-3
+1-2
+1-2
special summon from gy face down (1)
+1-1
special summon from gy negated (2)
+1-1
+1-1
banish from deck (4)
+1-1
-1
-1
-1
normal summon (3)
-1
destroy from hand (1)
-2
tribute from hand (1)
-2
tribute from hand as cost (1)
-2
banish from hand (3)
+2-1
+1-1
+1-3
banish from hand as cost (3)
-1
+1-2
-1
add from gy to hand (4)
+2-1
+1
+1-1
+1-1
discard from hand (2)
-1
-2
discard from hand as cost (48)
+2-1
+2-1
+2-2
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-2
+1-2
-1
+1-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
send from hand to gy (8)
+1-1
+1-1
+1-1
+1-2
+1-2
+1-3
-2
-2
send from hand to gy as cost (4)
+1-1
+2-3
-1
-1
banish from gy (7)
+1-1
-1
-1
banish from gy as cost (1)
return from field to hand (6)
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
destroy from field (60)
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-2
+1-2
+1-2
+1-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
+1-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
destroy from field as cost (1)
-2
send from field to gy (4)
-1
-1
+1-3
-2
send from field to gy as cost (4)
+1-2
+1-2
-1
-2
tribute from field (7)
+1-2
-1
-1
-1
-1
-1
-2
tribute from field as cost (28)
+2-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-1
+1-2
+1-2
+1-2
+1-2
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
banish from field (9)
+1-2
-1
+1-3
-2
-2
-2
-2
-3
-3
banish from field as cost (1)
+1-2
special summon from banished (4)
+1
+1
+1-1
+1-1
add from banished to hand (3)
+1
+1-1
+1-1
shuffle into the deck (1)
+1-2
shuffle into the deck from hand (1)
-2
place from gy to top of deck (1)
-2
shuffle into the deck from gy (2)
+1-1
shuffle into the deck from gy as cost (1)
+1
place from banished to bottom of deck (1)
+1
place from deck to spell trap zone as continuous spell (1)
+1-1
place from deck to spell trap zone as continuous trap (1)
+1-1
special summon from gy to opponent side field (1)
-1
special summon from gy to opponent side field face down (1)
-1
banish from deck face down (1)
-1
change battle position (4)
-1
change to attack position (3)
-1
change to defense position (1)
-1
change to face down defense position (5)
-1
-1
-1
-2
equip (36)
-1
-1
target (1)
+1
shuffle into the deck from hand as cost (1)
-2
flip face up (1)
+2-1
flip face up without activating flip effects (1)
-1
add from deck to hand without triggering effect (1)