metal pokemon cards arceus Steel 1 Colorless / 220 / Basic Arceus VSTAR Ultra-Premium Collection Revealed,

Enchanted creature has "Whenever another creature dies, put a +1/+1 counter on this creature." When enchanted creature dies, look at the top X cards of your library, where X is its power

Past Universes Beyond sets, in particular, have offered much more lucrative Headliners

An "A" box of Legends only had the uncommons from group A

As good token generator (but not in the tribal theme), you can look at Creakwood Liege (which buff your creatures in addition to create token), Emrakul's Evangel (similar to Nested Shambler), Growth Spasm (correct ramp but will create you a token), Khalni Garden (land that create a token !) or Tireless Provisioner (which I personally don't play, but you have some food synergies in the deck)