Destroying creatures, giving them flying, regeneration, pumping them up by +1/+1 for each activation, or protecting them by placing them on top of your library
Its also neat that the Peacemaker itself grows as you proliferate
Armageddon Clock Casey Jones, Asphalt Hooligan Deadly Designs Endbringer's Revel Excavation Fan Favorite Feral Hydra Flailing Manticore Flailing Ogre Flailing Soldier Glittering Lion Glittering Lynx Hangman Ifh-Bff Efreet Infinite Hourglass Land's Edge Lethal Vapors Lightning Storm Mana Cache Mercenaries Nullhide Ferox Oona's Prowler Personal Incarnation Quicksilver Wall Ribbon Snake Sailmonger Samite Sanctuary Saproling Cluster Scandalmonger Squallmonger Task Mage Assembly Tidal Control Vintara Elephant Volrath's Dungeon Wall of Vipers Warmonger Well of Knowledge Wishmonger Xantcha, Sleeper Agent Zerapa Minotaur ther Storm
It was not at all so they said no need to touch it
Here's your mtg card size
It gave me instantaneous matches to hone my skills where before I'd need to corral friends or convince loved ones to give it a try, too, Plus, I discovered something unexpected that I fell head over heels for deck-building