On the other hand, if they're removed from combat without leaving the battlefield, use their current information to determine that they're not attacking you or a planeswalker you control anymore
This is perfect if a strong character is heavily damaged, has a benefit to being banished, or you are simply low on cards

Acolyte of Bahamut Agent of the Iron Throne Agent of the Shadow Thieves Anax, Hardened in the Forge Anikthea, Hand of Erebos Annie Joins Up Annie Joins Up Aphemia, the Cacophony Arasta of the Endless Web Arasta of the Endless Web Arguel's Blood Fast Arvinox, the Mind Flail Athreos, God of Passage Athreos, Shroud-Veiled Bahamut, Warden of Light Bident of Thassa Bow of Nylea Braska's Final Aeon Calix, Guided by Fate Callaphe, Beloved of the Sea Candlekeep Sage Clan Crafter Cloakwood Hermit Crescent Island Temple Criminal Past Cultist of the Absolute Daxos, Blessed by the Sun Day of Destiny Dragon Cultist Dungeon Delver Ephara, Ever-Sheltering Ephara, God of the Polis Erebos, Bleak-Hearted Erebos, God of the Dead Esper Terra Eye of Nidhogg Faceless One Far Traveler Feywild Visitor Fires of Mount Doom Flaming Fist Flowering of the White Tree Folk Hero Gallifrey Stands Genju of the Realm Go-Shintai of Ancient Wars Go-Shintai of Boundless Vigor Go-Shintai of Hidden Cruelty Go-Shintai of Life's Origin Go-Shintai of Lost Wisdom Go-Shintai of Shared Purpose Growing Rites of Itlimoc Guild Artisan Hadana's Climb Hammer of Purphoros Hardy Outlander Hauken's Insight Haunted One Heliod, God of the Sun Heliod, Sun-Crowned Heliod, the Radiant Dawn Heliod, the Warped Eclipse Honden of Cleansing Fire Honden of Infinite Rage Honden of Life's Web Honden of Night's Reach Honden of Seeing Winds Ifrit, Warden of Inferno In Bolas's Clutches Inspiring Leader Iroas, God of Victory Journey to Eternity

Turn it face up any time for its mana cost if it's a creature card.) Whenever a permanent you control is turned face up, if it's a creature, you may have it fight target creature you don't control