spirit cards mtg of Resilience [SGL-MTG-SOC2-085-ENN] When this creature enters Does anybody run this guy

And even though the artwork is suitably cute with them balancing their way across a fallen tree trunk, it's the special mechanic that really got me

This actually came as a surprise to me, as conditional mana ramp that adds extra hoops to jump through beyond having fewer lands than your opponent is almost always unplayable, but when that hoop is take this creature off the battlefield, and the reward is both ramp and potentially filling your hand with any land with the Plains subtype, the results are surprisingly effective

Ive only tried it a couple times from TCGplayer

When you sacrifice another nonland permanent during your turn, you may put a number of +1/+1 counters equal to Szarel's power on another target creature

It triggers if a blocking creature has been declared as a blocker