(It's an artifact with " , Sacrifice this token: Add one mana of any color.") Whenever another creature you control enters, you gain 1 life
There are also some small-ball pinger effects in this category, like Marauding Blight-Priest, Starscape Cleric and South Wind Avatar, but those truly require an infinite set-up to count as combo pieces
Compulsive Research You can play Compulsive Research yourself like a Thirst for X kind of card, but it can also force someone to draw three, which is useful
And yes, thats because it literally says It Means No Worries
Go to the Missions page and select the section labeled ex Starter Deck. You need to complete the mission that gets you the Deck Ticket (Event) item: Use pack stamina to open 5 booster packs. Open five packs with stamina and return to the ex Starter Deck mission page, then complete the mission to get your Deck Ticket