So many of them have some incidental synergy with Empty and/or Haze: Legion Loyalist hastily helps your X/1s past blockers, Foundry Street Denizen becomes very large with Empty, Warren Instigator tacks another multiplier onto Haze, Wardriver pumps Empty tokens Mogg War Marshal has been good for me in almost any Haze deck against grindy decks in post-SB games, but its especially nice when you can make its tribal status relevant
If you're curious, here are the rules for how cards like this work in Commander
8 Vileplume GX Rainbow Rare $27.13 A Trainer And Their Vileplume Erika is the Grass-type Gym Leader from the Kanto region and in the Cosmic Eclipse set, she and her Vileplume are depicted on certain rarities of Vileplume GX
Pokmon Ancient Mew Movie Promo and Mew #1 Southern Islands Promo Set Rare Hologram Trading Cards (Wizards of the Coast, 2000-2001) CGC Graded
Watermarks (as a gameplay mechanic) Back when Wizards was designing Lorwyn , they ran into a recurring issue with creature-type synergies: how could they incorporate non-creature cards into the mix