Nojiko returns a 5-cost or less Character to the opponents hand, so they get to keep the card, but at least it wont be used as an attacker during their upcoming turn

Abhorrent Overlord Anurid Scavenger Arcades Sabboth Archdemon of Greed Archdemon of Unx Argentum Masticore Aura Flux Barrow Ghoul Binding Grasp Bog Elemental Breeding Pit Carnivorous Death-Parrot Child of Gaea Chisei, Heart of Oceans Chromium Circling Vultures Contamination Conversion Coral Net Cosmic Larva Cultist of the Absolute Daemogoth Woe-Eater Dance of Many Darba Deep Spawn Demonic Appetite Demonic Taskmaster Devouring Strossus Disruption Aura Doomgape Draco Dragon Tyrant Drifter il-Dal Drifting Djinn Drought Earthlink Eldrazi Monument Endless Wurm Energy Flux Essence Leak Extravagant Spirit Fettergeist Forethought Amulet Gargantuan Gorilla Glaciers Goblin Boom Keg Greater Harvester Gurzigost Haazda Shield Mate Hungry Mist Icy Prison Inevitable End Infernal Denizen Junk Golem Junn Efreet Justice Kami of the Tended Garden Kataki, War's Wage Koskun Falls Krosan Cloudscraper Kuro, Pitlord Lair of the Ashen Idol Liege of the Pit Lithophage Living Tsunami Lord of the Pit Magus of the Tabernacle Mangara's Equity Masticore Melancholy Molten-Tail Masticore Molting Harpy

Slinza, the Spiked Stampede Slinza, the Spiked Stampede is a true beast commander, providing cost reduction, a pump ability, and removal all at once
Oneirophage Card draw triggers
Most of these count how many spells were cast from exile on a given turn before you cast the paradox spell
War Room will tap with three mana to swap two life for a card, so it's card flow in land form