Improvise Reveal the top X cards of your library. You may put any number of artifact cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.
Target creature you control deals damage equal to its power to target creature or planeswalker you don't control. When the permanent you don't control dies this turn, you gain 2 life.
Witherbloom spells often take on the appearance—and personality—of their components.
Whenever a creature is dealt damage, its controller may exile that many cards from the top of their library. They may play those cards until the end of their next turn.
Whenever this creature or another creature you control dies, you gain 1 life. At the beginning of your end step, if you gained 3 or more life this turn, transform this creature.
Double strike Heroic — Whenever you cast a spell that targets Cleon, exile the top card of your library. You may play that card until the end of your next turn.
"Let us dance 'round the funeral pyres of our foes!"
Flying When this creature enters, you may return target creature an opponent controls with mana value X or less to its owners hand, where X is your devotion to Jeskai. (Each {U}, {R}, or {W} in the mana costs of permanents you control counts towards your devotion to Jeskai.)
Trample, haste If it's neither day nor night, it becomes day as this creature enters. Whenever day becomes night or night becomes day, put a +1/+1 counter on target creature you control.
Prevent all combat damage that would be dealt this turn except combat damage that would be dealt by enchanted creatures and enchantment creatures. Scry 2.