These force your opponent to discard a card from their hand, and while this might not appear all that powerful at first glance, repeatedly forcing your opponent to discard cards or being able to choose a specific card from your opponent's makes discard effects worthwhile
If you ever cast a large spell, the games practically over
There are more than enough equip synergy cards in white to make this deck viable and, indeed, remarkably strong
Warehouse Krark's Thumb Krark, the Thumbless Mana Clash Mana Crypt Mana Screw Mijae Djinn Mirror March Mirrored Depths Mogg Assassin Molten Birth Molten Sentry Mutalith Vortex Beast Negative Zone Portal Odds // Ends Odds // Ends Okaun, Eye of Chaos Orcish Captain Planar Chaos Plasma Caster Pokey, the Scallywagg (playtest) Puppet's Verdict Rakdos, the Showstopper Ral Zarek Ral, Monsoon Mage Risky Move Scoria Wurm Setzer, Wandering Gambler Skittish Valesk Skyclaw Thrash Sorcerer's Strongbox Squee's Revenge Stitch in Time Tavern Scoundrel Tavern Swindler The Gold Saucer Tide of War Unleash the Flux
x1] [Activate: Main] [Once Per Turn] You may add 1 card from the top of your Life cards to your hand: This Character gains [Rush] during this turn