Worn Powerstone [Commander 2014]

Worn Powerstone [Commander 2014]Set: Commander 2014 Type: Artifact Rarity: Uncommon Cost: {3} Worn Powerstone enters the battlefield tapped. {T}: Add {C}{C}. Even a fragment of a powerstone contains within it not just energy, but spacevast dimensions trapped in fragile crystal.

Set: Mercadian Masques Type: Enchantment Rarity: Uncommon Cost: {1}{G} {1}

Whenever a player casts an instant or sorcery spell that targets only a single Golem

an opponent of your choice may put two +1/+1 counters on it

you may pay {2}

Fateful hour — If you have 5 or less life

Hellhole Rats deals damage to that player equal to that card's mana value

it gets +0/+3 until end of turn

everything looks fit to burn

Pay {E}: Aethersphere Harvester gains lifelink until end of turn

Their rebellious blood

then each player reveals their hand and discards all cards that are rare or mythic rare

Krosa the enduring