Joyful Axolotl

Boast {g/w}: Grant all allied player's including
yourself 1 life (Activate this ability only if this
creature attacked this turn and only once each turn.)
When paying X for this card's mana cost, if you
paid 1 or more mana then heal 1 life, if you paid 3
or more mana then grant a creature of your
choice a +1/+1 counter, if you paid 5 or more
mana then create a treasure token.