At the beginning of your upkeep, you gain X life and you gain X mana in any combination of colors, where X is the number of +1/+1 counters on creatures you control.

Whenever Anafenza, Khan of Resilience attacks, you may pay 7 life if you do, creatures you control gain Outlast {0}.

At the beginning of your end step, remove three +1/+1 counters from among creatures you control, if you removed two or more +1/+1 counters this way, draw a card.