Card SetsOGS · Supplemental set

Proving Grounds

Released in Simplified Chinese on 1 August 2025, in English on 31 October 2025, and in Korean on 18 September 2026.

cards: 24
printings: 175

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OGS-001

Annie, Fiery

€1.59

OGS-002

Firestorm

€0.34

OGS-003

Incinerate

€0.29

OGS-004

Master Yi, Meditative

€0.58

OGS-005

Zephyr Sage

€0.29

OGS-006

Lux, Illuminated

€0.59

OGS-007

Garen, Rugged

€0.58

OGS-008

Gentlemen’s Duel

€0.22

OGS-009

Master Yi, Honed

€1.09

OGS-010

Annie, Stubborn

€2.59

OGS-011

Flash

€1.08

OGS-012

Blast of Power

€0.53

OGS-013

Garen, Commander

€0.49

OGS-014

Lux, Crownguard

€2.45

OGS-015

Recruit the Vanguard

€1.08

OGS-016

Vanguard Attendant

€0.18

OGS-017

Annie, Dark Child

€4.73

OGS-018

Tibbers

€0.50

OGS-019

Master Yi, Wuju Bladesman

€19

OGS-020

Highlander

€0.50

OGS-021

Lux, Lady of Luminosity

€8.13

OGS-022

Final Spark

€0.77

OGS-023

Garen, Might of Demacia

€0.98

OGS-024

Decisive Strike

€0.47