In addition to being a great mana rock and callback to Coalition Relic, this card is simply waiting to be used as an infinite mana outlet
For one black mana and a few sacrificed Squirrels, you can give any creature +X/-X, either pumping up one of your creatures a bit or taking down your opponents commander at the cost of a few creatures.
Breeches and his friend Malcolm have become big wheels among the Brazen Coalition, rolling in "COINS AND JEWELS AND PROMISSORY NOTES!" Brinelin, the Moon Kraken Brinelin is a millennia-old moon kraken who rules the seas off the shores of Akoum in Zendikar
For example, here are some Commander Classic prices: Farseek - 1.99 - heavily printed and common Rhystic Study - 37.99 - common in initial set, heavily printed Dockside Extortionist - 64.99 - Rare in a few sets Sun Titan - 0.75 - Heavily printed as mythic and rare See how a rare Commander Classic Sun Titan is massively cheaper than Farseek which is a common
Equip variants or equip abilities with restrictions, like the "equip legendary creature" ability of Wrecking Ball Arm, are still equip abilities, and their costs will be reduced by Helitrooper's last ability
