mtg blue defensive cards Big Sky (Dragon Shield Exclusive) | Promotional that creature attacks each combat if able and attacks a player other than you if able.) Resourceful Defense - Commander: Edge

The Gitrog Monster is an absolute powerhouse on the battlefield, letting you play extra lands each turn and drawing cards when a land is put into your graveyard from anywhere

Vensers Journal Venser's Journal gives you a steady lifegain payoff for keeping a full hand

I find the idea of Seeker to be weird

Green Dragon Inn (Homeward Path) Chief: I've mentioned Homeward Path numerous times when talking about cards that really need to be reprinted more often

Note that it's a Dragon, so if you've previously cast Encroaching DragonstormEncroaching Dragonstorm you can bring that back to your hand to cast again

1 Damnable Pact