Alexis, Strength Nurturer

+1: Put a +1/+1 counter on up to one target creature, it gains trample until end of turn.
-2: Put X +1/+1 counters on target creature where X is half the number of cards in your hand rounded up.
-7: You get an emblem with "Whenever you cast a creature spell put up to X +1/+1 counters on target creature, where X is the spells CMC."