It's not quite on the level of Teferi's Protection, but saving yourself from an opponent swinging out can turn the game in your favour no matter what
I highly suggest taking a look at: Dawn of a New Age : Provides you with an additional draw each turn until counters run out and then life gain
(It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, you create a Treasure token
The most notorious offender here is Drannith Magistrate , a one-generic, one-white creature that only lets you cast spells from your hand meaning any cards with the madness ability will be discarded into exile as normal, before promptly going into your graveyard
Kairi, the Swirling Sky The reincarnation of Keiga, the divine dragon of islands, Kairi continued to protect Minamo until Minamo's decline late in the Shattered States Era
The strength of these strategies also depends on other factors, such as whether or not there are standard-legal cards which mitigate the effects of energy denial or acceleration