Garruk's Horde
{5}{G}{G}
Creature -- Beast
7/7
Trample
Play with the top card of your library revealed.
You may cast creature spells from the top of your library. (Do this only any time you could cast that creature spell. You still pay the spell's costs.)
Vivien, Monsters' Advocate
{3}{G}{G}
Legendary Planeswalker -- Vivien
3
You may look at the top card of your library any time.
You may cast creature spells from the top of your library.
[+1]: Create a 3/3 green Beast creature token. Put your choice of a vigilance counter, a reach counter, or a trample counter on it.
[-2]: When you next cast a creature spell this turn, search your library for a creature card with lesser mana value, put it onto the battlefield, then shuffle.
Vizier of the Menagerie
{3}{G}
Creature -- Snake Cleric
3/4
You may look at the top card of your library any time.
You may cast creature spells from the top of your library.
You can spend mana of any type to cast creature spells.