Shopkeeper

At the beginning of your upkeep, you may
sacrifice any amount of treasure artifact tokens.
For every three treasure artifact tokens sacrificed
this way choose one -
* Put a +1/+1 counter on Minions you control
* Minions you control get lifelink until end
of turn.
* Minions you control get vigilance until end
of turn.
* Minions you control get +2/+2 until end
of turn.