Turning a 5/5 into a 2/2 for just two mana - while providing a bonus to your own strategy - definitely makes for an interesting card
For these commanders, we manually curated speed modifiers and archetype tags: Kinnan, Bonder Prodigy: speed -2, combo archetype ("infinite mana into activated ability creature cheats") Najeela, the Blade-Blossom: speed -2, aggro+combo ("infinite combat steps with any WUBRG source") Urza, Lord High Artificer: speed -2, artifacts+combo ("artifact combo and infinite mana") There are 16 commanders in this table, all chosen because their power comes from synergy with the 99 rather than their individual text
1 Temple of Enlightenment
Things that arent physical walls like Sylvan Caryatid can be given the non-attacking space in a set as a result
Next, we "waste" 3 mana to play Allay, destroying the Opalescence token after several meaningless changes of the target
Originally printed in 1993s Alpha set, this powerhouse spell forces all players to even out their lands, creatures, and hands, leading to devastating board wipes