Ilfneer, Keeper of the Oath

Partners with Freya, Enforcer of Peace
Vigilance
Play with the top card of your library revealed.
You may cast spells from the top of your library
if the mana value is 4 or less.
Magnify —When you play a spell from the top
of your library, you may pay {x}{g}{g}. If you do,
put X +1/+1 counter on target creature.