You can only Special Summon "Spright Carrot" once per turn this way
The amount of cards in Link Evolution is both positive and somewhat of a negative
In decks with 3+ colors with +1/+1 counter synergies, it will be fairly easy to put three or four +1/+1 counters on a creature each turn, and you should really have a good double strike or lifelink creature around to benefit from the extra counters
Creature - Dinosaur Color tag templates(None) Blue, Loyal Raptor Partner with Owen Grady, Raptor Trainer (When this creature enters, target player may put Owen into their hand from their library, then shuffle.) For each kind of counter on Blue, Loyal Raptor, each other Dinosaur you control enters with a counter of that kind on it
Card Name Mana Cost Type Creature Human Scout Rarity Mythic Rare rules Text Landfall - Whenever a land you control enters, investigate