I have placed it very high up on my own list as well, but I am not sure whether I really think it is better than Veil of Summer or Force of Vigor, given that it is just a dumb, head-through-the-wall type card and the others are very specialized but devastating interactive cards
Goad, myriad, and The Monarch are fantastic, as is dethrone, which rewards you for attacking the player with the most life, often an indication of who's in the lead anyway
Finally, Crawling Sensation and Scaretiller are both good fits for the deck, but will not perform up to snuff
But the oldest trick in this text-changing book is changing lands to enable things like landwalk or landhome, as with all those big blue serpents that can only attack if the defending player controls an island
If only one of the competing cards is in your hand, you should almost always name the type of that card, and just hope to draw the colors you need by the time you draw the others