Ghostrick Yeti [AC18-EN004] Super Rare Mai You can only use this

You can only use this effect of "Zerrziel

as that monster before it was sent to the GY

and keep it revealed until the Main Phase 1

inflict damage to your opponent equal to half of the original ATK of that monster

You can only use this effect of "Danger

Ghostrick Yeti [AC18-EN004] Super Rare Mai You can only use thisSet: Advent Calendar 2018 Card type: Effect Monster Rarity: Super Rare Attack: 300 Defense: 2000 Can not be Normal Summoned , unless you control a " Ghostrick " monster . Once per turn : You can change this card to face down Defense Position . When this card is flipped face up : You can target 1 "Ghostrick" monster on the field ; this turn , it can not be destroyed by battle or card effects.