If the equipped monster battles an opponent's monster, the opponent's monster's effect is negated during the Battle Phase only
Go ahead and examine Goblin of Greed, but if I elaborate too much on his story, which is long enough in its own right, we won't get to Mokey Mokey's
While this card is on the field: Gain 300 LP for every card that leaves your Banished Zone
"Blue-Eyes" monster Spell/Trap that mentions "Blue-Eyes White Dragon" or "Blue-Eyes Ultimate Dragon", except "Bingo Machine, Go!!!" Blue-Eyes Spirit Dragon X LIGHT Level 9 [ DragonSynchroEffect ] ATK 2500 DEF 3000 1 Tuner + 1+ non-Tuner "Blue-Eyes" monsters Neither player can Special Summon 2 or more monsters at the same time
This card came out in 2017, a whole 15 years after Yu-Jo Friendship
One of the most powerful of these is the Counter Trap