Achilles Accelerator (Golden) [FAB101] (Promo) Cold Foil Token Artifact Creature you may pay {0} rather

you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less

Set: Commander's Arsenal Type: Enchantment Rarity: Common Cost: {2}{U} Whenever an opponent casts a spell

(Whenever you cast a commander

except the token isn't legendary if that Dragon is legendary

Achilles Accelerator (Golden) [FAB101] (Promo) Cold Foil Token Artifact Creature you may pay {0} ratherSet: Promo Finish: Cold Foil Type: Equipment Subtype: Legs Rarity: Promo Class: Mechanologist Instant Destroy Achilles Accelerator: Gain 1 action point. Activate this ability only if you have boosted this turn. Arcane Barrier 1 (If your hero would be dealt arcane damage, you may pay [1 Resource] instead. If you do, prevent 1 arcane damage that source would deal.)