As part of the Making Magic (2003-2005) article series on the game's official site, Mark Rosewater described each color in depth (as well as multicolor cards, artifact or colorless cards, and color-hybrid cards)
Sacrifice after III.) I: Urzas Saga gains Tap: Add colorless. II: Urzas Saga gains 2, Tap: Create a 0/0 colorless Construct artifact creature token with This creature gets +1/+1 for each artifact you control.' III: Search your library for an artifact card with mana value 0 or 1, put it onto the battlefield, then shuffle
Invasion of Karsus / Refraction Elemental Three-damage wraths arent always the thing these days, but Invasion of Karsus is a battle that flips into a spellslinger wincon Guttersnipe variant, so it cant be discounted
After all, most stax pieces are interactive
Borderless Number #2 Artist Adam Paquette Sell this card
Elemental decks and decks that run Risen Reef for any reason dont see much play nowadays, but Ill have mostly fond memories of playing with this card and going off with it with the various payoffs available