An Accelerator of Sorts

Attach: U

Attached Contender gets, "Once per turn, during your Primary Phase, you may engage this card. If you do, put target [Alpha symbol] or [Harbinger symbol] Clash card you control into your Resource Zone engaged. If you do, search your deck for an [Alpha symbol] or [Harbinger symbol] Clash card without Unrivaled that has an initial resource cost less than or equal to the targeted Clash card from your hand into play. Then shuffle your deck. It gets Observant until end of turn."

This card can only be attached to an [Alpha Aster] Contender.