Andrios, Roaming Explorer
Legendary Artifact Creature — Wizard
4 / 3
Reach
As long as Andrios is attacking, tapped creatures you control with base power and toughness 4/3 have base power and toughness 16/9.

: Add





. Creature spells you spend this mana to cast have their base power and toughness become 4/3.
The Commander RC has ruled that if your name is printed on the bottom of a Heroes of the Realm card, that card is legal for you in Commander.