Prism Array | Enchantment | | Converge — Prism Array enters the battlefield with a crystal counter on it for each color of mana spent to cast it.
Remove a crystal counter from Prism Array: Tap target creature.
{W}{U}{B}{R}{G}: Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) | Philip Straub
Noyan Dar, Roil Shaper | Legendary Creature | Merfolk Ally | Whenever you cast an instant or sorcery spell, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land. | Karl Kopinski
Prairie Stream | Land | Plains Island | ({T}: Add {W} or {U}.)
Prairie Stream enters the battlefield tapped unless you control two or more basic lands. | Adam Paquette