Cartouche of Solidarity

Enchant creature you control
When Cartouche of Solidarity enters, create a 1/1 white Warrior creature token with vigilance.
Enchanted creature gets +1/+1 and has first strike.

Swamp

Trial of Zeal

When Trial of Zeal enters, it deals 3 damage to any target.
When a Cartouche you control enters, return Trial of Zeal to its owner's hand.

Plains

Trial of Strength

When Trial of Strength enters, create a 4/2 green Beast creature token.
When a Cartouche you control enters, return Trial of Strength to its owner's hand.

Mountain

Sprite Dragon

Flying, haste
Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.

Cartouche of Ambition

Enchant creature you control
When Cartouche of Ambition enters, you may put a -1/-1 counter on target creature.
Enchanted creature gets +1/+1 and has lifelink.

Kor Spiritdancer

Kor Spiritdancer gets +2/+2 for each Aura attached to it.
Whenever you cast an Aura spell, you may draw a card.

Forest

Cartouche of Strength

Enchant creature you control
When Cartouche of Strength enters, you may have enchanted creature fight target creature an opponent controls. (Each deals damage equal to its power to the other.)
Enchanted creature gets +1/+1 and has trample.

Trial of Ambition

When Trial of Ambition enters, target opponent sacrifices a creature.
When a Cartouche you control enters, return Trial of Ambition to its owner's hand.

Cartouche of Knowledge

Enchant creature you control
When Cartouche of Knowledge enters, draw a card.
Enchanted creature gets +1/+1 and has flying.