mtg survival cards of the Fittest (It cant be the target of spells or abilities your opponents control.) Kona, Rescue Beastie | Duskmourn:

The main ones you're looking for are the 'Karn-struct' Construct tokens that get +1/+1 for each artifact you control

6 Vexilus Praetor (Surge Foil) - $42.24 The Custodes are the elite of the elite, the cream of the crop, the premiere warriors of the Imperium of Man

If youre interested in learning a little bit more about Doctor Who and the way that these cards reflect the story and narrative of the series, I recommend checking out the article we released by guest contributor Nathan Jones

Found most in tempo based blue decks but also found in a wide array of mid range decks

It refers to effects where the condition is whether "you control three or more artifacts." Now, please try translating the text of this card