mtg arena promo cards Bloomburrow Prerelease Pack Code Fling deals damage equal to the sacrificed creature’s power to target creature or player. Complete Set Arena Promo 1996

Number SevenExert Influence Exert Influence might not exactly qualify as mono-blue, but I think it does

Niv-Mizzet, Parun and the emblem from Teferi, Hero of Dominaria are two good examples

A very underrated card for sure but I would avoid playing it these days without card filter or discard outlets

just like Lightning's combat prowess in the game

Rancor Rancor is a well-known beast of a card that enables trample and has traits of Bonesplitter and thanks to your enchantresses, Skullclamp

Frantic Search is amazing and likely one of the most versatile combo cards in the cube but it is all about the untapping of lands and not the draw discard