Skullbriar Counter Voltron Skullbriar, the Walking Grave was one of the very first decks I built when I got into Commander back in 2011
these cards crease quickly
Frequently Asked Questions How many cards are in the Battle Styles master set? The Battle Styles master set is 306 cards: 163 base cards, 123 reverse holofoils, and 20 secret rares and special-art cards
While people will certainly play Kaheera, the Orphanguard (with Cats and Elementals being the most likely immediate homes), over the short-term, Kaheera will probably be stuck as the best card in not very good decks
If the permanent that was turned face up is no longer on the battlefield when Sumala Sentry's triggered ability resolves, you'll still put a +1/+1 counter on Sumala Sentry
Combo Dragons #2 Reiterate and Mana Geyser have been combining to provide an arbitrarily large amount of red mana in Commander for a long, long time