Flying
When Uldaros Theorix enters, if you cast him, exile up to one target nonland card of each card type from your graveyard. Copy those cards. You may cast any number of spells with total mana value 6 or less from among the copies without paying their mana costs. (Permanent spells cast this way become tokens.)

When Princess Snowfall enters the battlefield and at the beginning of your upkeep, create a token that's a copy of Seven Dwarves. When you do, each Dwarf you control deals 1 damage to any target.

Sacrifice this creature: Add .

Flying
If a source you control would deal damage to an opponent or a permanent an opponent controls, it deals double that damage instead.

Counter target spell.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

: Add .

(: Add .)

Search your library for up to four cards with different names and reveal them. Target opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Each creature you control can't be blocked by more than one creature.

Activated abilities of artifacts your opponents control can't be activated.
+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.
−2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.

+4: Target player exiles a card from their hand.
−3: Exile target permanent.
−14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn. Then put those cards onto the battlefield under your control.

You may exile a blue card from your hand rather than pay this spell's mana cost.
Return target creature to its owner's hand.

Add .

Destroy all creatures. They can't be regenerated.

Whenever a creature enters, you lose 1 life and add .

, : Create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")
Whenever you sacrifice a Food, create a tapped Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, create four 1/1 green Squirrel creature tokens.
Squirrel creatures get +1/+1.

, Sacrifice this artifact: Add one mana of any color.

Flying
Whenever this creature deals combat damage to a player, roll a d20. You create a number of Treasure tokens equal to the result.

Creatures you control with power 2 or less can't be blocked by creatures with power 3 or greater.
If a triggered ability of a creature you control with power 2 or less triggers, that ability triggers an additional time.