A 7/7 Eldrazi for 7 mana with seven keyword abilities is nice, and Sire of Seven Deaths can be played in Eldrazi decks, or keyword soup decks
Legacy Pauper is often referred to as the Legacy Lite version of the actual Legacy format for a good reason
Despite the name of the deck being Aura of Courage, it also includes multiple Equipment cards to give your creatures even more of a stat boost
Dark Confidant I really, really want to be excited for Dark Confidant coming to Pioneer and Standard, but mono-red aggro decks have such a great presence in both formats that I worry one of Magics best draw engines wont be up to snuff
Proxies let you: test expensive strategies before buying experiment with combos without dropping hundreds of dollars protect valuable originals while still playing the deck To keep it healthy: disclose proxies before the game starts match your tables power level expectations dont bring proxies to sanctioned events unless the organizer explicitly allows them (rare) Pitfalls and Community Impact The biggest community harm doesnt come from casual proxy use
For one mana Welder offers about as much value and utility as you could hope for