More fire-y destruction stuff, I guess.

[Forest Fire]

[spoiler v1]

You can Special Summon this card (from your hand) to your opponent's side of the field in Attack Position, by Tributing 1 monster they control. If your opponent controls a "Kaiju" monster, you can Special Summon this card (from your hand) in Attack Position. Once per turn: You can remove 4 Kaiju Counters from anywhere on the field; destroy all Spell and Trap cards your opponent controls. Cards and effects cannot be activated in response to this effect. This card cannot attack the turn you activate this effect.

 

You can Special Summon this card (from your hand) to your opponent's side of the field in Attack Position, by Tributing 1 monster they control. If your opponent controls a "Kaiju" monster, you can Special Summon this card (from your hand) in Attack Position. You can only control 1 "Kaiju" monster Once per turn: You can remove 3 Kaiju Counters from anywhere on the field; destroy all Spell and Trap cards your opponent controls. Cards and effects cannot be activated in response to this effect. This card cannot attack the turn you activate this effect.

[Sleepy]

It needs the clause where you can only control 1 Kaiju monster at a time as well.

Other than that it seems good. Kaijus are usually somewhat tricky to play because the weakest ones are the ones that can bite you back because they can steal your counters and stun you if you give them away, but this is the first moderate ATK Kaiju that won't do that, which is an improvement.

Also, 4 counters sounds kind of expensive but can't complain since just like with Mad Flame Kaiju, it'll replenish the counters for each non-pendulum it destroys.

Well, I'd still just leave it at 3 counters like the monster nuke Kaiju, personally.

[Forest Fire]

sorry for not posting so when the edits were made, but edits.