Secret Lair Drop

Creature — Cat Cleric

Flash
If an opponent would draw two or more cards, instead you and that player each draw a card.

Alms Collector

Horse

Creature — Horse

Other Horses you control have indestructible.
At the beginning of each end step, if you gained life this turn, create a 5/5 white Horse creature token.

Crested Sunmare

Legendary Creature — Bear

Creature spells you cast with power 4 or greater cost {2} less to cast.
Whenever Goreclaw attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.

Goreclaw, Terror of Qal Sisma

Rin and Seri, Inseparable

Legendary Creature — Dog Cat

Whenever you cast a Dog spell, create a 1/1 green Cat creature token.
Whenever you cast a Cat spell, create a 1/1 white Dog creature token.
{R}{G}{W}, {T}: Rin and Seri deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.

Land

{T}: Add one mana of any color that a land an opponent controls could produce.