At the time of writing, there are not a lot of character cards in the 5 ink cost range that can gain that much lore in one go
If you can cheat him out on turn four, you can put the clock on your opponent one turn earlier, then follow it up with a Nani, Floodborn Pluto, or even your other Don Karnage on turn five
But how does it tie into Magic: The Gathering
You can have as many copies of Rat Colony as you want, even in singleton formats like Commander
Source: TCGplayer Main Genre Fantasy Release Date August 5, 1993 Created by Richard Garfield Video Game(s) Magic: The Gathering, Magic the Gathering Commander, Magic: The Gathering - Battlegrounds, Magic the Gathering: Duels of the Planeswalkers 2012, Magic: The Gathering - Duels of the Planeswalkers, Magic: The Gathering Duels of the Planeswalkers 2012, Magic: The Gathering Duels of the Planeswalkers 2013, Magic: The Gathering Duels of the Planeswalkers 2014, Magic: The Gathering Arena Character(s) Jace Beleren, Chandra Nalaar, Liliana Vess, Garruk Wildspeaker, Nissa Revane, Ajani Goldmane, Nicol Bolas, Teferi, Gideon Jura, Sorin Markov, Ral Zarek
