Thats hard to figure out, it seems, because there are so many sets
The best is seven cost sorcery that the first time it resolves you gain a life buffer of 7, and then load it seventh from the top, and then the next time it resolves you win
If it only affects lands or only affected creatures, both would be excellent
Enchantment Uncommon Mal Ollivier-Henry null/null NOT LEGAL Standard NOT LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator LEGAL Pioneer LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh Whenever a creature you control enters, scry 1
For example, if Narod, the Beige Flower and Doran, the Siege Tower ("Each creature assigns combat damage equal to its toughness rather than its power") are both on the battlefield, each time a creature would deal combat damage, that creature's controller chooses whether it assigns combat damage equal to its mana value or its toughness
Most burn commanders are relegated to mono-red, like Solphim, Mayhem Dominus, so it offers some diversity in the niche
