Lurking Roper + Elemental Mastery + Answered Prayers

Lurking Roper

Elemental Mastery

Answered Prayers

How it works

1. Activate Lurking Roper by tapping it, creating four 1/1 Elemental creature tokens.
2. When the Elementals enter the battlefield, they trigger Answered Prayers four times.
3. Resolve the first Answered Prayers trigger, causing you to gain one life.
4. Lurking Roper triggers, untapping itself.
5. Repeat.