all rat cards mtg Magic: The Gathering - Swarm of Rats The Gathering Rat King, Verminister [SGL-MTG-TMT2-266-ENF]

City of Death seems to solidify that assumption, making treasure tokens and copying tokens

For example, if an opponent controls no creatures and has 30 life when you cast Skull Storm and make two copies, the first to resolve causes that opponent to lose 15 life (so they have 15 life left), the second causes that opponent to lose 8 life (7 life left), and the original spell causes that player to lose 4 life, leaving the player at 3 life

it's just going to struggle against some of the more straightforward decks on this list

Affectionately named Hammer Time (according to MTGGoldfish at any rate), this is a deck that takes advantage of cards like Puresteel Paladin and Sigardas Aid to equip a Colossus Hammer for free and swing in for 10+ damage as early as turn two