Your search for "zero=mono" revealed the following:
Fire Emblem 0 (Cipher) Trading Card - Marker Card: PBM-014 For Use in Pack Battle: Hero Marker Card (Marth Byleth Alm and Ike)
$ 33.95Product details: Marth, Byleth, Alm and IkeThis lovely card is from the Fire Emblem 0 (Cipher) trading card game! It...
Fire Emblem 0 (Cipher) Trading Card - B02-054R+ (FOIL) Dark Songstress Azura (Azura / Aqua)
$ 33.95Product details: Azura / AquaThis lovely card is from the Fire Emblem 0 (Cipher) Trading Card Game B02 Divine Flame...
Fire Emblem 0 (Cipher) Trading Card - Marker Card: Robin The Exalt's Tactician Robin (Female) - 11/2020 Prize (Robin (Fire Emblem) / Rufure / Reflet / Avatar)
$ 33.95Product details: Robin (Fire Emblem) / Rufure / Reflet / AvatarThis lovely card is from the Fire Emblem 0 (Cipher)...
Fire Emblem 0 (Cipher) Trading Card - S02-001ST+ (FOIL) Halidom's Protector Chrom (Chrom)
$ 33.95Product details: ChromThis lovely card is from the Fire Emblem 0 (Cipher) trading card game S02 Awakening Starter Deck! Collect...
Fire Emblem 0 (Cipher) Keychain - Comiket 95 Domiteria Linde (Linde / Rinda / Linda)
$ 33.95Product details: Linde / Rinda / LindaThis gorgeous keychain was only available at Comiket 95! The front and back of...
Fire Emblem 0 (Cipher) Trading Card - Marker Card: Elincia The Esteemed Queen - CM91 Player's Box Character Set Card (Elincia / Erincia / Elincia Ridell Crimea / Elincia Liddell Crimea)
$ 33.95Product details: Elincia / Erincia / Elincia Ridell Crimea / Elincia Liddell CrimeaThis lovely card is from the Fire Emblem...
Fire Emblem 0 (Cipher) Trading Card - P12-005PR Wise Man of the Mercenaries Soren (Soren / Senerio Ike (Fire Emblem) / Ike)
$ 33.95Product details: Soren / Senerio, Ike (Fire Emblem) / IkeThis lovely card is from the Fire Emblem 0 (Cipher) trading...
Fire Emblem 0 (Cipher) Trading Card - S04-005ST Lovely Tactician Elise (Elise / Elize)
$ 16.95Product details: Elise / ElizeThis lovely card is from the Fire Emblem 0 (Cipher) trading card game S04 Conquest Starter...
Fire Emblem 0 (Cipher) Trading Card - P01-005PRr (FOIL) Prince Who Upholds Justice Chrom (Chrom)
$ 16.95Product details: ChromThis lovely card is from the Fire Emblem 0 (Cipher) trading card game! Dashing Chrom is a Box...
Fire Emblem 0 (Cipher) Trading Card - B09-006ST+ (FOIL) Warrior Priestess of Zofia Celica (Celica / Cellica)
$ 16.95Product details: Celica / CellicaThis lovely card is from the Fire Emblem 0 (Cipher) trading card game S09 Divided Land...
