If one of those creatures can't attack its owner that turn due to a spell or ability (such as Chronomantic Escape), you may have it attack another player, attack a planeswalker an opponent controls, attack a battle an opponent protects, or not attack at all
This is great, as Warren Warleader can build a good board the turn it comes down, plus you dont need to ever attack with the 1/1 offspring either
21 Worth A Ton: Des Volstgalph ($1,530) Des Volstgalph is an extremely rare card with only about twenty cards ever made
Admittedly, most of these lands arent too exciting, but there are some decent ones
Playable in Legacy and EDH alike, it costs only three mana and you can even decide to pay less mana and keep your bigger creatures alive
This vampiric family runs the Museum of New Capenna