(1) During your Standby Phase, by sending this face-up card to the GY, Special Summon 1 Armed Dragon LV5 from your hand or Deck.
The (1) Trigger Effect is optional, it activates & resolves on the field.
Sending this face-up card to the GY is a cost. This effect can't activate while Macro Cosmos is active, since you can't pay the cost.
This effect can't activate if you don't have Armed Dragon LV5 in your hand / Deck.