mtg gruul cards War Chant [Modern Masters 2017] Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.) Trample As long as its your turn The 58 Best Gruul Cards

This is probably due to the original Ooze that grew over time

Tinker's Tote is one example, as is Thousand Moons Smithy // Barracks of the Thousand and Brass's Tunnel Grinder // Tecutlan, the Searing Rift, though both of those last two can ultimately be Transformed into useful Lands

Planeswalkers tend to get more immediate value regardless and are generally harder and costlier to kill with removal

You're not allowed to mix up the cards that represent them on the battlefield to confuse other players

If it's a Saga, put up to three lore counters on it

He builds his own crew of Goblins, making a token each turn, and gives all of them haste, so hes a must-have in this deck