This is powerful for a number of reasons, not least because it lets you circumvent paying six, seven, eight or more mana for a haymaker, and instead enjoy its EtBs and other triggers for a smaller investment
Boros Charm Generous Gift Relentless Assault Sigardas Aid Sram, Senior Edificer Swords to Plowshares Swiftfoot Boots These cards alone represent more than two-thirds of the price of the deck
Endless Ranks of the Dead creates half the number of Zombies you already have on the battlefield
I expect well see reprints of these cards soon enough, but even with a reprint I could see them do a Ghostly Prison and still stubbornly maintain a price above $5 due to the discovery effect where newer players who just started playing the game see their power and move to pick them up for Commander
This treatment could be found on all the rare and mythic rare borderless cards from the set
(2016-08-23) A conspiracy with hidden agenda that has a triggered ability must be face up before that ability's trigger condition is met in order for it to trigger
