Name:Nezumi Shortfang
ManaCost:1 B
Types:Creature Rat Rogue
PT:1/1
A:AB$ Discard | Cost$ 1 B T | ValidTgts$ Opponent | NumCards$ 1 | Mode$ TgtChoose | SubAbility$ DBFlip | SpellDescription$ Target opponent discards a card. Then if that player has no cards in hand, flip CARDNAME.
SVar:DBFlip:DB$ SetState | Defined$ Self | ConditionCheckSVar$ A | ConditionSVarCompare$ EQ0 | Mode$ Flip
SVar:A:TargetedPlayer$CardsInHand
AlternateMode:Flip
Oracle:{1}{B}, {T}: Target opponent discards a card. Then if that player has no cards in hand, flip Nezumi Shortfang.

ALTERNATE

Name:Stabwhisker the Odious
ManaCost:1 B
Colors:black
Types:Legendary Creature Rat Shaman
PT:3/3
T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ Opponent | TriggerZones$ Battlefield | Execute$ TrigLoseLife | TriggerDescription$ At the beginning of each opponent's upkeep, that player loses 1 life for each card fewer than three in their hand.
SVar:TrigLoseLife:DB$ LoseLife | Defined$ TriggeredPlayer | LifeAmount$ DiffX
SVar:DiffX:TriggeredPlayer$CardsInHand/NMinus.3
Oracle:At the beginning of each opponent's upkeep, that player loses 1 life for each card fewer than three in their hand.
