Concordant Crossroads

Llanowar Elves

Kona, Rescue Beastie

Survival — At the beginning of your second main phase, if Kona, Rescue Beastie is tapped, you may put a permanent card from your hand onto the battlefield.

Griselbrand

Flying, lifelink
Pay 7 life: Draw seven cards.

Omniscience

You may cast spells from your hand without paying their mana costs.

Relic of Legends

{T}: Add one mana of any color.
Tap an untapped legendary creature you control: Add one mana of any color.

Yawgmoth's Bargain

Skip your draw step.
Pay 1 life: Draw a card.

Forest

Elvish Spirit Guide

Exile Elvish Spirit Guide from your hand: Add {G}.

Emrakul, the Aeons Torn

This spell can't be countered.
When you cast this spell, take an extra turn after this one.
Flying, protection from spells that are one or more colors, annihilator 6
When Emrakul, the Aeons Torn is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

Citanul Stalwart

{T}, Tap an untapped artifact or creature you control: Add one mana of any color.

Elvish Mystic

Tamiyo's Safekeeping

Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)