Sorcery Color tag templates(None) Banefire Banefire deals X damage to any target
Depending on what is drawn in the first few turns, you can use Winds of Change to potentially draw in to more needed gas, or to combo off with Underworld Dreams if it is drawn (and Dark Ritual is already in hand to easily be able to cast it)
Not only do you keep the monster you summon, but you also gain a negate and a battle position shift effect, making Gallant Thief a formidable threat
Okay, part of why I like it is because the artwork reminds me of what would later become the logo for Wikipedia (which this card definitely predates), and it's a nice little way to show little pieces of puzzle falling off someone's memory
Extra combats are as potent as extra turns in aggressive creature decks, which means any creature-based strategy is good
Any player may pay for that player to ignore this effect until end of turn