Darigaaz's Whelp

Kicker {1}{R}
Flying
Whenever you draw a Dragon card, it perpetually gets +1/+1.
When Darigaaz's Whelp enters, if it was kicked, seek a Dragon card. Darigaaz's Whelp and that Dragon card each perpetually get +1/+1.

Elvish Mystic

Darigaaz, Shivan Champion

Flying
At the beginning of your end step, conjure a random card from Darigaaz, Shivan Champion's spellbook into exile face down with three egg counters on it. It gains "At the beginning of your upkeep, if this card is exiled, remove an egg counter from it. Then if it has no egg counters on it, put it onto the battlefield."

Fake Your Own Death

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control and you create a Treasure token." (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Minion of the Mighty

Menace
Pack tactics — Whenever Minion of the Mighty attacks, if you attacked with creatures with total power 6 or greater this combat, you may put a Dragon creature card from your hand onto the battlefield tapped and attacking.

Unbridled Growth

Enchant land
Enchanted land has "{T}: Add one mana of any color."
Sacrifice Unbridled Growth: Draw a card.

Delighted Halfling

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.