Bonescythe Sliver (Duels of the Planeswalkers Promos) [Duels of the Planeswalkers Promos 2013] Zombie put a +1/+1 counter on

put a +1/+1 counter on Thalia's Lieutenant

She wished for a weapon

More importantly

Set: Revised Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

Whenever another artifact enters the battlefield

Bonescythe Sliver (Duels of the Planeswalkers Promos) [Duels of the Planeswalkers Promos 2013] Zombie put a +1/+1 counter onSet: Duels of the Planeswalkers Promos 2013 Type: Creature Sliver Rarity: Rare Cost: {3}{W} Sliver creatures you control have double strike. (They deal both first strike and regular combat damage.) "Their appendages are sharper than our swords and quicker than our bows." Hastric, Thunian scout