Crosis, the Purger [Commander 2017] 15th Anniversary Set: High-Speed Riders Card type:

Set: High-Speed Riders Card type: Synchro/Effect Monster Rarity: Common Attack: 3000 Defense: 2000 1 Tuner + 1 or more non-Tuner monsters After damage calculation

" —Kasib Ibn Naji

but how could that be

you may look at the top X cards of your library

Set: The Infinity Chasers Card type: Effect Monster Rarity: Super Rare Attack: 2800 Defense: 2000 If an EARTH Machine monster(s) is Normal or Special Summoned to your field (except during the Damage Step): You can Special Summon this card from your hand

Crosis, the Purger [Commander 2017] 15th Anniversary Set: High-Speed Riders Card type:Set: Commander 2017 Type: Legendary Creature Dragon Rarity: Rare Cost: {3}{U}{B}{R} Flying Whenever Crosis, the Purger deals combat damage to a player, you may pay {2}{B}. If you do, choose a color, then that player reveals their hand and discards all cards of that color.