At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle.
({T}: Add {G}, {W}, or {U}.) Spara's Headquarters enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)
Vigilance Whenever you cast a creature spell, draw a card, then you may put a land card from your hand onto the battlefield. {3}, {T}: Return target creature you control to its owner's hand.
({T}: Add {B}, {G}, or {U}.) Zagoth Triome enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)
The World Tree enters tapped. {T}: Add {G}. As long as you control six or more lands, lands you control have "{T}: Add one mana of any color." {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice The World Tree: Search your library for any number of God cards, put them onto the battlefield, then shuffle.
({T}: Add {U}, {B}, or {R}.) Xander's Lounge enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)
Flying Other multicolored creatures you control get +1/+0. Whenever another multicolored creature you control dies, return it to its owner's hand at the beginning of the next end step.