You'd think most of the time, you probably won't be triggering this with creates other than Rohirrim Chargers
Goblins (65) Duel Decks Anthology: Garruk vs
When Kathril enters play, you can distribute counters for each of the keywords it mentions that exist on creatures in your graveyard, with 11 options to choose from
Even though he's also a creature, if Gideon has no loyalty counters on him, he's put into his owner's graveyard
Otherwise, sacrifice it. Activating abilities Activated abilities are different from triggered and static ones in that they become (sounds incredible, I know!) activated
"How did the Assassin's Creed set do, and what's the status of Beyond Boosters in the new release/legality paradigm?"