Faithless Looting

Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mob Justice

Mob Justice deals damage to target player or planeswalker equal to the number of creatures you control.

Target opponent loses 1 life for each attacking creature you control. You gain that much life.

When Nested Shambler dies, create X tapped 1/1 green Squirrel creature tokens, where X is Nested Shambler's power.