
Jeskai Revelation | Instant | | Return target spell or permanent to its owner's hand. Jeskai Revelation deals 4 damage to any target. Create two 1/1 white Monk creature tokens with prowess. Draw two cards. You gain 4 life. | Igor Grechanyi

Shiko, Paragon of the Way | Legendary Creature | Spirit Dragon | Flying, vigilance
When Shiko enters, exile target nonland card with mana value 3 or less from your graveyard. Copy it, then you may cast the copy without paying its mana cost. (A copy of a permanent spell becomes a token.) | Victor Adame Minguez

All-Out Assault | Enchantment | | Creatures you control get +1/+1 and have deathtouch.
When this enchantment enters, if it's your main phase, there is an additional combat phase after this phase followed by an additional main phase. When you next attack this turn, untap each creature you control. | Joshua Cairos

Neriv, Heart of the Storm | Legendary Creature | Spirit Dragon | Flying
If a creature you control that entered this turn would deal damage, it deals twice that much damage instead. | Victor Adame Minguez

Betor, Kin to All | Legendary Creature | Spirit Dragon | Flying
At the beginning of your end step, if creatures you control have total toughness 10 or greater, draw a card. Then if creatures you control have total toughness 20 or greater, untap each creature you control. Then if creatures you control have total toughness 40 or greater, each opponent loses half their life, rounded up. | Alexander Ostrowski

Perennation | Sorcery | | Return target permanent card from your graveyard to the battlefield with a hexproof counter and an indestructible counter on it. | Eli Minaya

Death Begets Life | Sorcery | | Destroy all creatures and enchantments. Draw a card for each permanent destroyed this way. | Justin Hernandez & Alexis Hernandez

Teval, Arbiter of Virtue | Legendary Creature | Spirit Dragon | Flying, lifelink
Spells you cast have delve. (Each card you exile from your graveyard while casting those spells pays for {1}.)
Whenever you cast a spell, you lose life equal to its mana value. | Alexander Ostrowski

Dragonback Assault | Enchantment | | When this enchantment enters, it deals 3 damage to each creature and each planeswalker.
Landfall — Whenever a land you control enters, create a 4/4 red Dragon creature token with flying. | Ryan Pancoast

Ureni, the Song Unending | Legendary Creature | Spirit Dragon | Flying, protection from white and from black
When Ureni enters, it deals X damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control, where X is the number of lands you control. | Alexander Ostrowski

Call the Spirit Dragons | Enchantment | | Dragons you control have indestructible.
At the beginning of your upkeep, for each color, put a +1/+1 counter on a Dragon you control of that color. If you put +1/+1 counters on five Dragons this way, you win the game. | Liiga Smilshkalne