For the effects for the first wave of the “Mimighoul” theme, Click Here.

ROTA-EN090 Mimighoul Armor
Level 1 EARTH Warrior Flip Effect Monster
ATK 600
DEF 1500
FLIP: If it is the Main Phase: Apply these effects in sequence.
• This turn, “Mimighoul” monsters cannot be destroyed by battle.
• Give control of this card to your opponent.
During your Main Phase: You can Special Summon this card from your hand to your opponent’s field in face-down Defense Position, or if your opponent controls a monster, you can Special Summon this card face-up on your field. You can only use each effect of “Mimighoul Armor” once per turn.

ROTA-EN091 Mimighoul Fairy
Level 1 EARTH Fairy Flip Effect Monster
ATK 100
DEF 100
FLIP: If it is the Main Phase: Apply these effects in sequence.
• This turn you cannot activate the effects of monsters Special Summoned from your hand.
• Give control of this card to your opponent.
During your Main Phase: You can Special Summon this card from your hand to your opponent’s field in face-down Defense Position, or if you control a “Mimighoul” monster, you can Special Summon this card face-up on your field. You can only use each effect of “Mimighoul Fairy” once per turn.

ROTA-EN092 Mimighoul Slime
Level 1 EARTH Aqua Flip Effect Monster
ATK 400
DEF 500
FLIP: If it is the Main Phase: Apply these effects in sequence.
• Your opponent can Special Summon 1 “Mimighoul” monster from their Deck to their field.
• Give control of this card to your opponent.
During your Main Phase: You can Special Summon this card from your hand to your opponent’s field in face-down Defense Position, or if your opponent controls more monsters than you do, you can Special Summon this card face-up on your field. You can only use each effect of “Mimighoul Slime” once per turn.

ROTA-JP093 Giant Mimighoul
Rank 1 EARTH Rock Xyz Effect Monster
ATK 1300
DEF 2000
Materials: 2 Level 1 monsters
Your non-Xyz “Mimighoul” monsters can attack directly while your opponent controls a face-down monster. You can only use each of the following effects of “Giant Mimighoul” once per turn. If this card is Xyz Summoned: You can add 1 “Mimighoul” card from your Deck to your hand. You can detach 1 material from this card, then target face-up cards on the field up to the number of face-down monsters your opponent controls; destroy them, and if you do, inflict 1000 damage to your opponent for each card destroyed.

ROTA-EN094 Mimighoul Throne
Level 1 EARTH Rock Xyz Effect Monster
ATK 0
DEF 1000
Materials: 2 Level 1 “Mimighoul” monsters
You can detach 1 material from this card; Special Summon 1 “Mimighoul Master” from your hand, Deck or GY. During the Main Phase (Quick Effect): You can target 1 “Mimighoul Master” you control; equip this card to it as an Equip Spell that gives it 1000 ATK, then you can return cards from the field to the hand, up to the number of materials this card had. You can only use 1 “Mimighoul Throne” effect per turn, and only once that turn.

ROTA-EN095 Mimighoul Fork
Normal Spell Card
Target 1 face-down monster your opponent controls; your opponent chooses 1 of the following effects, and you apply that effect.
• Change it to face-up Attack or Defense Position.
• Send it to the GY, then its owner draws 2 cards.
You can banish this card from your GY; add 1 “Mimighoul Fork” from your Deck to your hand. You can only use each effect of “Mimighoul Fork” once per turn.

ROTA-EN096 Mimighoul Charm
Continuous Spell Card
Once per chain, during the Main Phase, if a “Mimighoul” monster your opponent controls is flipped face-up: You can randomly choose 1 face-down card in your opponent’s Extra Deck, and if it is a monster that can be Special Summoned, Special Summon it to your field, but it cannot activate its effects this turn. If it wasn’t, or couldn’t be Special Summoned, banish that card. You can only use this effect of “Mimighoul Charm” twice per turn.

Source: The Live Stream