KristianOtto played this mono white lifegain deck to get a perfect 5-0 finish in the MTGO Standard League. If you’re looking for a Standard deck built around Speaker of the Heavens, you should definitely try this one.

Planeswalkers (3)
3
Ajani, Strength of the Pride
Creatures (19)
4
Healer's Hawk
4
Speaker of the Heavens
4
Ajani's Pridemate
4
Impassioned Orator
3
Linden, the Steadfast Queen
Spells (2)
2
Unbreakable Formation
Enchantments (13)
3
Alseid of Life's Bounty
1
Dawn of Hope
3
Daxos, Blessed by the Sun
3
Heliod, Sun-Crowned
3
Conclave Tribunal
Lands (23)
3
Castle Ardenvale
20
Plains
Cards (60)
Sideboard (15)
3
Selfless Savior
2
Devout Decree
3
Glass Casket
3
Runed Halo
3
Lurrus of the Dream-Den
1
Elspeth, Sun's Nemesis