Enter the Unknown + Mystic Sanctuary + Bolas's Citadel + Zuran Orb + Ramunap Excavator
Enter the Unknown
Mystic Sanctuary
Bolas's Citadel
Zuran Orb
Ramunap Excavator
Infinite lifegain triggersInfinite storm countInfinite blue manaInfinite magecraft triggersInfinite +1/+1 counters on creatures you controlInfinite lifegainInfinite landfall triggers
How it works
Cast Enter the Unknown either from your hand by paying or from the top of your library by paying 1 life, causing a creature you control to explore and allowing you to play an additional land this turn.
Play Mystic Sanctuary either from your hand or graveyard.
When Mystic Sanctuary enters the battlefield untapped, it triggers, putting Enter the Unknown from your graveyard onto the top of your library.
Activate Mystic Sanctuary by tapping it, adding .
Activate Zuran Orb by sacrificing Mystic Sanctuary, causing you to gain 2 life.