how to read mtg cards with Ahead Reading the card explains the

When you do, this creature becomes a copy of another target creature you control, except it has this ability and "Whenever this creature deals combat damage to a player, you get that many ." At the beginning of combat on your turn, you may pay

That being said, and thanks largely to Shimmering Skies, the deck is now better than ever

While it is symmetrical, if youve built your deck around going off with Aluren, it doesnt really matter

Sazh Katzroy Esper Origins This is worth the splash only if you can reliably discard it (i.e

Endurance is the most castable card of the cycle, which is nice if your opponent stumbles a bit, or you have another piece of interaction, you can easily cast Endurance to save yourself a card