This creature can't be blocked by artifact creatures.
Prevent all damage that would be dealt to this creature by artifact creatures.

Exhaust — : Other creatures you control gain haste until end of turn. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.)
Exhaust — : Create a 4/4 red Dinosaur Dragon creature token with flying.

Flying
: Untap this creature.

+1: Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")
−1: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order.
−7: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."

Whenever Winter Soldier attacks, return target creature card with mana value less than or equal to Winter Soldier's power from your graveyard to the battlefield. If a Hero enters this way, it enters with an additional +1/+1 counter on it.

This land enters tapped unless you control a Plains or an Island.
: Add or .

( can be paid with either or .)
Trample
At the beginning of your end step, return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

When this creature enters, you may search your library for a creature card, put that card into your graveyard, then shuffle.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

: Target black creature gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)

Each creature you control with a +1/+1 counter on it has menace. (It can't be blocked except by two or more creatures.)

Enchant creature
Enchanted creature gets +1/+1 for each Plains you control and has flying.

This land enters tapped unless you control two or fewer other lands.
: Add or .

When this creature enters, shuffle the cards from your hand into your library, then draw that many cards.
, Sacrifice this creature: Each player shuffles the cards from their hand into their library, then draws that many cards.

Flip a coin. If you win the flip, Winter Sky deals 1 damage to each creature and each player. If you lose the flip, each player draws a card.

When this enchantment enters, you become the monarch.
At the beginning of your upkeep, this enchantment deals 2 damage to any target. If you're the monarch, it deals 7 damage instead.

Brave Heart — Whenever you attack, target attacking historic creature gets +1/+1 and gains indestructible until end of turn. (Artifacts, legendaries, and Sagas are historic.)
Doctor's companion (You can have two commanders if the other is the Doctor.)

If an opponent controls more lands than you, search your library for up to three Plains cards, reveal them, put them into your hand, then shuffle.

Flying
Whenever you cast a spell, put the cards in your hand on the bottom of your library in any order, then draw that many cards.

Whenever one or more creatures you control that entered this turn deal combat damage to a player, create a 5/5 red Dragon Spirit creature token with flying.
: Creatures you control gain haste until end of turn.

+1: Scry 1. You may tap an untapped artifact you control. If you do, draw a card.
−2: Create two 1/1 colorless Thopter artifact creature tokens with flying. They gain haste until end of turn.
−4: You get an emblem with "Artifact creatures you control get +1/+1" and "Artifact spells you cast cost less to cast."