Whenever you cast an enchantment spell, you get an experience counter. {1}{W}{B}: Create a white and black Spirit enchantment creature token. It has "This creature's power and toughness are each equal to the number of experience counters you have."

Double strike, vigilance Whenever you cast a creature spell with mana value 5 or greater, you get an experience counter. Kalemne, Disciple of Iroas gets +1/+1 for each experience counter you have.

Ward {X}, where X is the number of experience counters you have. At the beginning of your end step, if a permanent you controlled left the battlefield this turn, you get an experience counter. Creatures you control get +1/+0 for each experience counter you have.

({T}: Add {R}.)

({T}: Add {W}.)