Citanul Centaurs

Citanul Centaurs

Creature - Centaur | Power/Toughness: 6 / 3 (CMC 4)
Shroud (This creature can't be the target of spells or abilities.)
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)