For example, if you tap a creature with a mana ability to pay part of the spell's web-slinging cost, you could also return that creature to your hand to pay the cost
Kaalia lets her controller cheat on mana and get those creatures into play as early as Turn 4 (without ramp and with a Haste provider, like Lightning Greaves) and even sooner with mana acceleration, like Sol Ring
Chalice on zero prevents the suspend cards from being cascaded into, which is often the goal for Modern cascade decks
The very first place I would consider when selling my Magic cards would be my local game store
Hopefully, the set is a weird, off-the-wall blast to play, where Channel+Fireball will remind players of the first grand Magic combo, Mana Drain and Flusterstorms will be golden tickets, and Tavern Swindlers will reign supreme
Belakor, the Dark Master Be'lakor, the Dark Master boasts incredible power