Not bad and helps get you past lands youd have to draw otherwise, smoothing out both land drops and drawing gas
Improvise means you wont have any trouble casting this 6-mana monster, ward means itll be a pain to remove, and itll just become a larger and larger unblockable wall of damage each turn as you return artifacts from your graveyard to the field
If an adventurer card ends up in exile for any other reason than by exiling itself while resolving, it won't give you permission to cast it as a permanent spell

Labs 1.6%inclusion 1%synergy 3 decks 189 decks Construct a Cosmic Cube 1.4%inclusion 1%synergy 3 decks 207 decks High Synergy Cards Ultramarines Honour Guard 64%inclusion 62%synergy 1.08K decks 1.69K decks Nadir Kraken 62%inclusion 59%synergy 1.04K decks 1.69K decks Space Marine Devastator 61%inclusion 59%synergy 1.04K decks 1.69K decks Inquisitor Greyfax 59%inclusion 57%synergy 1K decks 1.69K decks Vanguard Suppressor 59%inclusion 57%synergy 992 decks 1.69K decks Company Commander 59%inclusion 57%synergy 993 decks 1.69K decks Hour of Reckoning 57%inclusion 55%synergy 969 decks 1.69K decks Martial Coup 55%inclusion 53%synergy 924 decks 1.69K decks Deny the Witch 55%inclusion 52%synergy 932 decks 1.69K decks Inquisitorial Rosette 53%inclusion 51%synergy 901 decks 1.69K decks Top Cards Swords to Plowshares 75%inclusion 8%synergy 1.27K decks 1.69K decks Mortify 57%inclusion 48%synergy 967 decks 1.69K decks Bastion Protector 51%inclusion 49%synergy 870 decks 1.69K decks Defenders of Humanity 49%inclusion 48%synergy 836 decks 1.69K decks Collective Effort 48%inclusion 47%synergy 818 decks 1.69K decks For the Emperor

While there is a bit of demon tribal synergy mixed in here and there, this is far from the main focus
Then I ran stuff like Aristocrats and sacrifice stuff like Mayhem Devil