mtg ravnica city of guilds card list Ravnica: Booster Pack : Toys & Games Gather Courage (RAV-165) - Ravnica:

I still expect that Mystic Sanctuary will revolutionize Modern, and I dont think this card is reasonable in any way

Palinchron (Combo, Creature) 48

Monument to Endurance Monument to Endurance has been a strong engine in blue and red decks across many formats

The top 25 red cards of all-time most certainly involves a fair number of burn spells, and todays first card is not only one of the best burn spells in the games history but one of its most historically significant

It would at least see some play in a Limited format, I guess

Xira, the Golden Sting, Massacre Girl, Known Killer and Kelsien, the Plague have slightly different methods of marking a target, while Vraska, the Silencer, Vein Ripper, and Twinblade Assassins are assassins which simply incentivize murder regardless of any prior mark