A concession causes you to leave the game, which then causes you to lose the game (Once you concede, you no longer control a Platinum Angel, so its ability cant prevent you from losing the game)

Adrix and Nev Token Doublers Adrix and Nev, Twincasters | Illustration by Andrew Mar Commander (1) Planeswalkers (3) Nissa, Voice of Zendikar Garruk, Primal Hunter Oko, the Ringleader Creatures (20) Elvish Mystic Llanowar Elves Cankerbloom Coiling Oracle Elvish Visionary Kazandu Tuskcaller Champion of Wits Reclamation Sage Biowaste Blob Nadir Kraken Tireless Provisioner Arasta of the Endless Web Master Biomancer Mirrorhall Mimic Reef Worm Timeless Witness Quina, Qu Gourmet Mitotic Slime Progenitor Mimic Rampaging Baloths Instants (14) March of Swirling Mist Tamiyo's Safekeeping Counterspell Decisive Denial Defend the Rider Deprive Double Major Growth Spiral Beast Within Cackling Counterpart Curious Herd Perplexing Test Elminster's Simulacrum Supplant Form Sorceries (15) Ponder Portent Preordain Blue Sun's Twilight Farseek Nature's Lore Rampant Growth Cultivate Kodama's Reach Quasiduplicate Rite of Replication Overrun Shamanic Revelation Titania's Command Clone Legion Enchantments (3) Awakening Zone Paradox Zone Zendikar's Roil Artifacts (7) Sol Ring Arcane Signet Mind Stone Simic Signet Talisman of Curiosity Mimic Vat Sequence Engine Lands (37) Ash Barrens Command Tower Evolving Wilds Forest x16 Hinterland Harbor Island x10 Simic Growth Chamber Tangled Islet Tanglepool Bridge Temple of Mystery Thornwood Falls Vineglimmer Snarl Yavimaya Coast Where Jinnie Fay went tall, Adrix and Nev, Twincasters is a token deck that wants to go wide

How Does Menace Interact with First Strike and Double Strike Abilities
Released in the original 1999 Base Set, this card represents peak nostalgia for many collectors
But in a Teshar deck I like creatures that sacrifice to destroy things, like Felidar Cub and Lieutenant Kirtar