Back to spoilers

Leyline of Abundance
ReprintEnchantment
If this card is in your opening hand, you may begin the game with it on the battlefield. Whenever you tap a creature for mana, add an additional . : Put a +1/+1 counter on each creature you control.
rare · #179 · m20
Previewed: June 19 · Spoiled by Movistar eSports