Basically, it can attack right away, doesnt tap when it does, can only be blocked by two or more creatures, and if it does get blocked, excess damage hits the enemy player
The way you can see the brush strokes swirling around the storm, with the simple crack of lightning going down the middle, it really gives me early Magic the Gathering vibes
Look for decks with strong offensive Pokmon like Fire-types or Lightning-types
However, this is not the strongest effect that Tearlaments Kitkallos has, as it can send itself to the GY to special summon a Tearlaments monster from the deck and send the top 5 cards of the deck to the GY, making it crucial for combos
Aphetto Exterminator Bane of the Living Boneknitter Cabal Executioner Ebonblade Reaper Fallen Cleric Gift of Doom Grim Haruspex Grinning Demon Haunted Cadaver Headhunter Infernal Caretaker Krumar Bond-Kin Liege of the Pit Putrid Raptor Ruthless Ripper Sidisi's Pet Silent Specter Skinthinner Sootfeather Flock Soul Collector Spined Basher Thrashing Mudspawn Zombie Cutthroat