Being able to protect your commander from removal spells is huge game, and ties directly into the last ability: You can see the basic loop here: get three land cards into the graveyard while Slogurk is on the battlefield, adding three +1/+1 counters to Slogurk so its a 6/6 trampling Ooze
Instead, the casting condition is part of its rules text
Without having that as a focus, you will end up with five tokens that cannot block, and it will be difficult to finish the job that they start
Then on Tuesday, Wizards dropped the formal announcement: Launching Dec
The landfall cards are primarily green , with red cards like Call the Mountain Chocobo able to create Bird tokens with landfall abilities
Abzan Falconer makes most of your Selesnya board fly