

Effect
You can only use each effect of "Rainbow Kuriboh" once per turn. ● When an opponent's monster declares an attack: You can target that attacking monster; equip this card from your hand to that monster. It cannot attack. ● When an opponent's monster declares a direct attack while this card is in your GY: You can Special Summon this card, but banish it when it leaves the field.
(1) is a Trigger Effect that can be activated in the hand. (This effect targets 1 Attack Position monster.)
The "the equipped monster cannot attack" effect of (1) is an effect applied by this card while it is equipped to a monster by the effect of (1). (It is treated as the effect of an Equip Spell Card.)
(2) is a Trigger Effect that can be activated in the Graveyard. (This effect does not target.)
The process of "banish it when it leaves the field" for (2) does not create a Chain Link.
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