If someone wastes your Helix Pinnacle halfway along the way to blowing it up for the win, all you have done is burn 50 mana
When you visualize the card list, all the cards you dont own will be greyed out as you see in the image below
To make matters worse (or better, depending on your viewpoint), Agent Frank Horrigan is indestructible on attacks, making it well worth your 7-mana investment
10 double-sided tokens, punchout counters, strategy insert, and reference card
Legacy: Oath was an Extended monster for as long as R&D let us play it, probably the chief rival to even more broken strategies like Trix and Tinker at their heights
Blue Blue is much more commonly played than White, but still suffers a similar issue of cards that are good being commonly used, or being a combo piece