If you don't care about life at all you are likely a super aggressive deck, likely red, or some kind of a combo deck and you should consider playing Searing Spear instead of Lightning Helix as it will increase your consistency
But I'll often just sit on the Fires of Yavimaya + Gaea's Anthem even after I've got ultimate loyalty because of just how board-altering the first +1 ability is
Mercurial Geists: Weak, yet a nice addition to the instants and sorceries deck
(2018-10-05) If Midnight Reaper dies at the same time as one or more other nontoken creatures you control, Midnight Reaper's ability triggers for each of them
What are the best for multiplayer, Commander, and laid back kitchen table play
Divine Intervention The ultimate If I cant win, nobody can card, and one of the only two cards in all of Magic that can explicitly end the game in a draw