: Legion20000 "Ancient Dragon, Tyrannobite" (If your opponent's vanguard is grade 3 or greater, this unit may return four cards from your drop zone into your deck once, search your deck for the specified card, and Legion)
:During your battle phase, when your rear-guard with the same name as a unit in your is put into the drop zone, if this unit is Legion, this unit gets +5000/[Critical]+1 until end of turn. This ability cannot be used for the rest of that turn.
:[Choose one of your rear-guards, and retire it] When this unit attacks a vanguard, you may pay the cost. If you do, this unit gets +5000 until end of that battle.