If this card battled, during the end of the damage step, you can tribute this card, special summon 1 Super Saiyan Goku from you deck or hand
Pillar Analysis: Unique Effect (Sac Outlet/Life Gain), Scarcity (Legends, Reserved List), High-Grade Rarity
The fact that it is a single use card also makes it a better card design, it will not slow down games overly and it will provoke more difficult choices
Brian Schneider, the lead developer, felt there was too much going on and pulled it from the set when it entered development
NM - Front side NM - Back side NM - Slight Wear NM - Minor Corner Wear NM - Foil NM - Minor Whitening NM - Foil seams during production NM - White chips during printing on FtV series NM - Irregularities in printing during the printing process NM - Scratches during the production process NM - Scratches during the production process NM - Scratches during the production process NM - White chips during the manufacturing process NM - Slight back side dent during the manufacturing process NM - Slight back side dent during the manufacturing process NM - Hologram Marking NM - Printing Error NM - Foil curve with natural cause NM - Innistrad Block initial manufacturing damage NM - Dragons of Tarkir initial manufacturing damage NM - Initial manufacturing damage caused when printing NM - Slight initial manufacturing damage *Please note these are examples

Most of the time, we dont care about 2-drop walls that do nothing but block, but it feels free when you get a card out of the deal, and it can also synergize with anything that might let you reuse the ability