2 Blooming Marsh
4 Drowned Catacomb
2 Mana Confluence
4 Overgrown Tomb
3 Swamp
4 Watery Grave
4 Woodland Cemetery
3 Abrupt Decay
4 Collected Company
2 Immortal Servitude
2 Karumonix, the Rat King
4 Pack Rat
2 Piper of the Swarm
17 Rat Colony
3 Tetsuko Umezawa, Fugitive
Sideboard:
1 Assassin's Trophy
1 Disdainful Stroke
1 Fatal Push
1 Lost Legacy
1 Spell Pierce
1 Thoughtseize