You can only use each effect of Constellar Sombre once per turn. While this card is in the Graveyard, if it was sent there this turn, you can Normal Summon 1 Constellar monster for 1 less Tribute.

You can banish 1 Constellar monster from your Graveyard, then target 1 Constellar monster in your Graveyard; add that target to your hand, also. this card gains the following effect.

* This turn: you can activate this effect; Normal Summon 1 Constellar monster.