11 cards where the text includes “pay” and the text includes “life” and the colors is W and it’s legal in Pioneer

Glorifier of Dusk (Ravnica: Clue Edition #62)
Krovod Haunch (Murders at Karlov Manor #21)
Sephara, Sky's Blade (Commander Masters #54)
Elesh Norn // The Argent Etchings (March of the Machine #12)
Elesh Norn // The Argent Etchings (March of the Machine #12)
Defiler of Faith (Dominaria United #16)
Intrepid Adversary (Innistrad: Midnight Hunt #25)
Brutal Cathar // Moonrage Brute (Innistrad: Midnight Hunt #7)
Brutal Cathar // Moonrage Brute (Innistrad: Midnight Hunt #7)
Emeria's Call // Emeria, Shattered Skyclave (Zendikar Rising #12)
Emeria's Call // Emeria, Shattered Skyclave (Zendikar Rising #12)
Dawn of Hope (Guilds of Ravnica #8)
Adanto Vanguard (Ixalan #1)
Serene Steward (Battle for Zendikar #46)

The arc of my blade has carved a path of light to the end of these results.