As Monastery Siege enters, choose Khans or Dragons.• Khans — At the beginning of your draw step, draw an additional card, then discard a card.• Dragons — Spells your opponents cast that target you or a permanent you control cost more to cast.
Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)
Manifest the top card of your library, then put X +1/+1 counters on it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Enchant creatureWhen Sage's Reverie enters, draw a card for each Aura you control that's attached to a creature.Enchanted creature gets +1/+1 for each Aura you control that's attached to a creature.
FlyingWhenever a Dragon you control attacks, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on it.)
When Sultai Emissary dies, manifest the top card of your library. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)