1 Level 4 or lower "Genex" monster
If this card is Link Summoned: You can add 1 "Genex" monster from your GY to your hand. You can only Special Summon "Repair Genex Controller(s)" once per turn. Once per Chain, if a "Genex" monster(s) is added to your hand, except by drawing it, you can: Immediately after this effect resolves, Normal Summon 1 "Genex" monster, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except by Synchro Summon using a "Genex" Tuner as material.