Until end of turn, creatures you control get +1/+1 and gain haste
When Felidar Guardian comes back, you can then target the Restoration Angel and the other creature with its ETB triggers and endlessly repeat the process
Volshe Tideturner seems perfect as a mana accelerant for the deck, it can even pay the kicker cost on Chun-Li
Once its dredging every turn, you stop topdecking lands and start choosing which ones you want back
The 3-cost Artifact Ashnod's Altar, which lets you sacrifice a creature to farm mana, is represented by Sir Bedivere's Scales - a device for identifying and condemning witches which was the height of medieval English science (or, at least, more effective than checking for warty noses)
In fact, if youre at infinite life and get with an opposing Infinity Elemental, youd still be at infinite life