mtg shapeshifter commander deck Magic: the Gathering Lorwyn Eclipsed - you may choose a number between 0 and 7 Shapeshifter Tribal Deck

Because at least MTGO automatically tells you all the activated abilities that are active and under your Agathas Soul Cauldron

Kastral triggers whenever combat damage is done to a player

Enduring CuriosityEnduring Curiosity There are very few blue Cat cards in Magic (19 total, only seven that are monoblue), but this Cat Glimmer from Duskmourn: House of Horror certainly delivers an awesome effect for any deck that wants to be attacking a lot like a Cat-themed deck

The more important announcement from March 20th's Twitch stream detailed an entirely new game (or format?) inside Lorcana called Illumineers Quest

But the support for a token-aggro strategy is definitely there, and its simplicity means it can be powerful without relying on a precise combination of cards