Harbinger of the Seas Harbinger of the Seas gives blue an angle on mana disruption
With both in play, youd create a mutagen token every time a creature leaves the battlefield, along with a food token and +1/+1 counter on a single creature every time you attack
Whenever you gain life, target opponent loses that much life
Saffgor: This would be a genuinely interesting card at 2 mana, comparable to Balmor, but at 3 it's way too slow to get in under most strategies
This two-way strategy of casually clearing the board while gaining strength each turn makes it an undeniable threat in competitive play, causing major problems for decks that lack direct damage
It is cheap to cast and equipment, and I'd trade haste for +2/+2 almost every day of the week