Epigonen, the Impersonation Invader
You can Tribute 1 Effect Monster: Special Summon this card from your hand, then Special Summon 1 "Epigonos Token" (Level 1/ATK 0/ DEF 0) with the same Type and Attribute as the Tributed monster's original Type and Attribute. You can only use this effect of "Epigonen, the Impersonation Invader" once per turn.