For example, a deck can play many Blood Artist lookalikes, many Persist creatures, multiple ways to generate +1/+1 counters on them as they ETB and of course many sacrifice outlets
Mystical Tutor, Enlightened Tutor and Gamble all fall under the limit, and if you've got your Leyline of Anticipation or Vedalken Orrery on the field, you can even mutate Vadrok at instant speed and throw any of a number of counterspells onto the stack
If you do, defending player draws all mana from lands he or she controls
When it's summoned onto the battlefield, the one who summoned it can choose a player and True-Name Nemesis has protection from that chosen player
Color Identity: R, G, W, U Cards Samwise Gamgee Bill the Pony Phyrexian Altar Animar, Soul of Elements Initial Card State Bill the Pony in hand