"I run the maze alone, but I fight with the full might of the Legion."

Tajic, Blade of the Legion

Tajic, Blade of the Legion is indestructible.
Battalion — Whenever Tajic and at least two other creatures attack, Tajic gets +5/+5 until end of turn.

Indestructible
Battalion — Whenever Tajic and at least two other creatures attack, Tajic gets +5/+5 until end of turn.

Dominaria United Commander

Indestructible
Battalion — Whenever Tajic, Blade of the Legion and at least two other creatures attack, Tajic gets +5/+5 until end of turn.