Fated Firepower enters with X fire counters, and from then on, any source you control deals extra damage equal to the number of fire counters on it
We also have plenty of "size matters" payoffs like drawing silly amounts of cards off Return of the Wildspeaker, ramping out all the lands with Traverse the Outlands, devouring entire armies with Monstrous Onslaught, and flooding the board with creatures with Scepter of Celebration
Instant payouts have allowed me to manage the conveyor belt of buying and selling more effectively, giving me more flexibility to keep the business running smoothly

Scientists Academy Elite Adventurer's Airship Agna Qel'a Arcade Gannon Archive Haunt Artful Looter Assassin Gauntlet Atlantean Skirmisher Bag Check Bag of Holding Baron Strucker, HYDRA Overlord Bellowing Crier Benthic Biomancer Bloodfire Mentor Bonded Fetch Boosted Sloop Broadside Barrage Cait, Cage Brawler Canyon Crab Captain of Umbar Carlo, Suave Schemer Ceta Sanctuary Chakra Meditation Change of Plans Civilized Scholar Collector's Vault Conqueror's Foothold Copycrook Coralhelm Chronicler Currency Converter Customs Depot Cyclonus, the Saboteur Daily Bugle Newspaper Data Scrubber Deal Broker Deny Entry Desolate Lighthouse Diviner of Fates Doc Ock's Henchmen Doctor Doom, King of Latveria Dragonborn Looter Dreadwing Scavenger Echo Inspector Elite Instructor Emet-Selch, Unsundered Enclave Cryptologist Erratic Visionary Evangel of Synthesis Evie Frye Facet Reader Failed Inspection Flying Drone Frontline Sage Furtive Analyst Furtive Courier Geyser Leaper Goben, Gene-Splice Savant Gran-Gran Grixis Battlemage Hapless Researcher Hard Cover Harrier Strix Hypnotic Grifter Icewind Elemental Illuminator Virtuoso Improbable Alliance Inspired Sprite Jace Reawakened Jace, Cunning Castaway Jace, Vryn's Prodigy Jalum Tome

For example, Paradise Dragonas Base Set is composed of 64 cards, but it features cards numbered from 65 onwards