Foul-Tongue Shriek can also take someone out by burning someone for each attacking creature you control while gaining that much life to keep you in the game.
The Eon Fog Plane: Equilor Players skip their untap steps
Send offers to watchers on eBay, since a card on someones watchlist often just needs a small nudge
Various Ajani incarnations offer life, they are all fine but need to be played in the appropriate place to be good and in such places you are typically not doing so for any life based reasons
If you can build up three counters on Slogurk, easy to do in a green/blue deck even without its ability, you can remove them to bounce it back to your hand, recurring three lands from your graveyard to your hand in the process
In order to get around this, its almost a necessity to play Sword of the Animist, Burnished Hart, and Solemn Simulacrum to ensure you get those lands into play