
Iridescent Tiger | Creature | Cat | When this creature enters, if you cast it, add {W}{U}{B}{R}{G}. | Fajareka Setiawan

Narset's Rebuke | Instant | | Narset's Rebuke deals 5 damage to target creature. Add {U}{R}{W}. If that creature would die this turn, exile it instead. | Diego Gisbert

Jeskai Shrinekeeper | Creature | Dragon | Flying, haste
Whenever this creature deals combat damage to a player, you gain 1 life and draw a card. | Andrew Mar

New Way Forward | Instant | | The next time a source of your choice would deal damage to you this turn, prevent that damage. When damage is prevented this way, New Way Forward deals that much damage to that source's controller and you draw that many cards. | Eli Minaya

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

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