Magnus, Warrior's Genesis

As an additional cost to cast this spell, pay X {b/r}. If X is greater than 0, put a Haste counter on Magnus as it enters.

When this Creature enters, put X Mobilize 1 counters on it (each instance of Mobilize triggers separately), and create X Warrior Barracks Artifact tokens. (They are red Artifact tokens with "At the beginning of your upkeep, Create a 1/1 red Warrior Creature token with Haste.").

Whenever a Creature you control deals combat damage to a player, Create a Warrior Barracks Arti