Whenever you would take damage from a card effect, place 1 Black Feather Counter on this card instead
You increase the loyalty counters with positive (+) loyalty abilities and decrease them with minus (-) loyalty abilities, or when your planeswalker takes damage from an attacking creature
Kotis pairs beautifully with cards that boost power like Death Baron, since the more damage it deals, the more cards you get to steal
Lets take Summon: Bahamut as an example
Blitzball Captain At the beginning of your end step, if a counter was put on Wakka this turn, put a +1/+1 counter on each other creature you control
And, of course, it comes as no surprise that a Charizard card has captured so much attention