This game is inspired by Arix's remark:
In this game you create a mirrodin besieged card by taking an existing card and adding infect to it. who knows maybe one of these cards is in the new set.
I'll start
Diseased hatchlings 1G
Creature - Bird
Infect
T: Add one mana of any color to your mana pool
0/1
Blightsteel Angel 8
Artifact Creature - Angel
Flying
Infect
You can't lose the game and your opponents can't win the game.
4/4
Doomed Choice 4U
Instant
Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard. Creatures you control gain infect until end of turn