mtg blue hate cards magic 2x Weaver Invasion Light Play, English Instant Rarity Screw Blue (Ba Da Bee)

A non-foil Realms and Relics card will show up in approximately 31% of Collector Boosters, while a surge foil Realms and Relics card will show up in slightly under 1% of Collector Boosters

Gravecrawler's greatest claim to fame in my eyes is its ability to produce an infinite number of death triggers and an infinite storm count, when combined with Phyrexian Altar

Then he makes your non-artifact spells cheaper with Improvise

You can, at instant speed, do three things, but the Mana Leak won't counter anything, so what this does instead is bounce up to three things which can set back folks deeply, bounce two and replace itself, draw three cards when the bounce isn't needed, or bounce once and draw twice