There are two big reasons to run these cards: Firstly, 5 manas the going rate for an extra turn with no strings attached
In Kitnap's case, promising the gift will change how its other enters-the-battlefield triggered ability functions
Therefore, I added a few support spells like this instant duo
Minsc & Boo, Timeless Heroes 3
Goblin Lackey (Foil) From the Vault: Exiled Market Price: $29.90 Originally printed in Urzas Saga as an uncommon (that version going for a robust $18.83), this one-drop can turbo-charge your strategies by throwing down an expensive Goblin well ahead of schedule, so long as it connects with an opponent in combat
Choose a Background There are 28 legendary creatures in this set that have an ability that allows them to start the game with a Background in the command zone, called Choose a Background