Mirror-Style Master (Extended Art) HOU The Invasion Tree broke through

The Invasion Tree broke through the Blind Eternities and sent Phyrexian perfection coursing across the Multiverse

create a 3/3 black Demon creature token

Creature — Hydra

When Siege-Gang Commander enters the battlefield

Mirror-Style Master (Extended Art) HOU The Invasion Tree broke throughCreature Human Warrior Backup 1 (When this creature enters, put a +1 +1 counter on target creature. If thats another creature, it gains the following ability until end of turn.) Whenever this creature attacks, for each attacking modified creature you control, create a tapped and attacking token thats a copy of that creature. Exile those tokens at end of combat. (Equipment, Auras you control, and counters are modifications.)