Uliyana and Johanas

Whenever this creature would receive more then 3
damage prevent all except 3 of that damage.

{1}, {t}: A player of your choice adds two mana in
any combination of colors. Spend only mana
produced by lands to activate this.

At the beginning of each player's end step, if that
player spent 3 or more mana this turn, you may
have that player gain 3 life.