Apparently this is a joke, because at the time of Unglued 's printing, all the other colours had tutor cards, and not red
You may put a nonland permanent card with mana value X or less from among them onto the battlefield
If Evie Frye and Jacob Frye are your commanders, your deck may contain cards with blue and/or black in their color identity, but not white, red, or green
Your average Goyf tends to be about a 4/5 (instant, sorcery, creature, land) by turn 3, but as the game progresses, even the slightest increase in its power can completely ruin your combat math
The other options are reanimation or Sneak AttackSneak Attack shenanigans, but at that point it becomes more of a stax piece than a ramp answer
Not doing so you would need 47 lands just to have a 90% chance