Villainous Reflection

When Villainous Reflection enters, create two white
1/1 Human creature tokens.

At the beginning of your end step, if you control
two or more creatures, sacrifice a creature and gain
3 life. If you control only one creature, sacrifice
Villainous Reflection. Put an indestructible counter
on that creature and it gains "At the beginning of
each opponent upkeep, this creature deals 3 damage
to that player.