That ability to stall momentum defines Green control builds and reflects the ruthless edge of the character
If a creature card has "*" in its toughness, the ability that defines its toughness works in all zones
Since you need to sacrifice the tokens generated by these cards anyway, you might as well sacrifice them to something else for a benefit
Like most Magic: The Gathering cards, the value of Spike, Tournament Grinder depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (The List (Unfinity Foil Edition))
Has The Lost Caverns of Ixalan made you want to play around with them more
If youre primarily a player, focus on cards that improve your decks rather than on those everyone else is chasing