Choose one —• Gain control of all creatures with power 4 or greater until end of turn. Untap those creatures. They gain haste until end of turn.• Gain control of all creatures with power 3 or less until end of turn. Untap those creatures. They gain haste until end of turn.
Flash (You may cast this spell any time you could cast an instant.)DefenderWhen Jeskai Barricade enters, you may return another target creature you control to its owner's hand.
FlyingWhenever a Dragon you control attacks, creatures you control get +1/+0 until end of turn.Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)
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.
: Add ., : Put a storage counter on Crucible of the Spirit Dragon., Remove X storage counters from Crucible of the Spirit Dragon: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.