Ulamog, the Ceaseless Hunger and Ulamog, the Infinite Gyre have two different card names, so you can have both out simultaneously (even though they're both variants of Ulamog, lore-wise)
Reading the lore about the Baron it seems like he is the scheming kind that takes a back seat and first execute his plans when he has sufficiently prepared or disrupted his opponent
Gallery and List of Graft Cards Llanowar Reborn Plaxcaster Frogling Simic Initiate Cytoplast Root-Kin Aquastrand Spider Vigean Graftmage Novijen Sages Helium Squirter Vigean Hydropon Sporeback Troll Simic Basilisk Cytospawn Shambler Cytoplast Manipulator Best Graft Cards #5
Let's tap into the best lands for EDH
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Positive loyalty taps a creature, negative loyalty draws cards based on the number of tapped creatures an opponent controls (hello, mass tappers), and the emblem turns your maximum hand size infinite and (optionally) returns anything that hits your graveyard to your hand