For those of you just meeting this archetype for the first time, you may notice that certain Alien monsters that interact with A Counters have a specific line: (If a monster with an A-Counter battles an Alien monster, it loses 300 ATK and DEF for each A-Counter during damage calculation only.)
Any "as [this permanent] enters the battlefield" or "[this permanent] enters the battlefield with" abilities of the target permanent will also work.
You can only use this effect of "Megalith Ophiel" once per turn
Thunder Lance, on the other hand, deals a base damage of 50, and, for every electric energy that has been attached to Raikou, it deals a further 20 damage, all for the cost of 3-colorless energy cards

Its rock attack is powerful.) (EN: A dragon formed by huge boulders that are also used to attack the enemy.) RD/SST1-JP007 Blue Falcon Tengu RD/SST1-JP008 Innocent Lancer RD/SST1-JP009 Emperor of the Land and Sea RD/SST1-JP010 Spike Seadra RD/SST1-JP011 Flying Kamakiri #2 RD/SST1-JP012 Uraby RD/SST1-JP013 Constructor Warrior Shovelon RD/SST1-JP014 Silent Assailant RD/SST1-JP015 Checkrael the Sun Angel, Yo RD/SST1-JP016 Bean Soldier RD/SST1-JP017 Water Magician RD/SST1-JP018 Giga-Tech Wolf RD/SST1-JP019 Hitotsu-Me Giant RD/SST1-JP020 Dosodon RD/SST1-JP021 Cycliptron RD/SST1-JP022 The All-Seeing White Tiger RD/SST1-JP023 Thunder the Thunder RD/SST1-JP024 Shaman Octopus RD/SST1-JP025 Aromagmabear RD/SST1-JP026 Whispering Fairy RD/SST1-JP027 Kuribot RD/SST1-JP028 Kuribot (First Alternate Artwork) RD/SST1-JP029 Kuribot (Second Alternate Artwork) RD/SST1-JP030 Skull Servant RD/SST1-JP031 Monster Reincarnation (LEGEND) RD/SST1-JP032 Blades of Divine Wind RD/SST1-JP033 Pierce

Gaining practical experience will help you identify the ideal moments to use it.