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Hand options
Defense of the Heart

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.

Enchantment
Defense of the Heart (plst) ULG-100
Spara's Headquarters

({T}: Add {G}, {W}, or {U}.) Spara's Headquarters enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Land
Spara's Headquarters (snc) 257
Chulane, Teller of Tales

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.

Creature
Chulane, Teller of Tales (plst) ELD-326
Zagoth Triome

({T}: Add {B}, {G}, or {U}.) Zagoth Triome enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Land
Zagoth Triome (iko) 259
The World Tree

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.

Land
The World Tree (plst) KHM-275
Xander's Lounge

({T}: Add {U}, {B}, or {R}.) Xander's Lounge enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Land
Xander's Lounge (snc) 260
Rienne, Angel of Rebirth

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.

Creature
Rienne, Angel of Rebirth (dmc) 166

Opening hand

Defense of the Heart

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.

Enchantment
Defense of the Heart (plst) ULG-100
Spara's Headquarters

({T}: Add {G}, {W}, or {U}.) Spara's Headquarters enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Land
Spara's Headquarters (snc) 257
Chulane, Teller of Tales

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.

Creature
Chulane, Teller of Tales (plst) ELD-326
Zagoth Triome

({T}: Add {B}, {G}, or {U}.) Zagoth Triome enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Land
Zagoth Triome (iko) 259
The World Tree

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.

Land
The World Tree (plst) KHM-275
Xander's Lounge

({T}: Add {U}, {B}, or {R}.) Xander's Lounge enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

Land
Xander's Lounge (snc) 260
Rienne, Angel of Rebirth

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.

Creature
Rienne, Angel of Rebirth (dmc) 166
Bottom of library