Create two 1/1 white Human creature tokens.
Fateful hour — If you have 5 or less life, create five of those tokens instead.

Destroy each nonland permanent with converted mana cost X or less.

Counter target creature spell. Create a 1/1 blue Spirit creature token with flying.

: Gelectrode deals 1 damage to any target.
Whenever you cast an instant or sorcery spell, you may untap Gelectrode.

Gideon's Reproach deals 4 damage to target attacking or blocking creature.

When Gladehart Cavalry enters the battlefield, support 6. (Put a +1/+1 counter on each of up to six other target creatures.)
Whenever a creature you control with a +1/+1 counter on it dies, you gain 2 life.

Haste (This creature can attack and as soon as it comes under your control.)
: Another target creature with power 2 or less can't be blocked this turn.

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Target creature gets +3/+1 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library. Create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add ."

: Gust-Skimmer gains flying until end of turn.

The next 2 damage that a source of your choice would deal to you and/or permanents you control this turn is dealt to any target instead.

Draw three cards.

Shroud (This enchantment can't be the target of spells or abilities.)
: Put X tower counters on Helix Pinnacle.
At the beginning of your upkeep, if there are 100 or more tower counters on Helix Pinnacle, you win the game.

At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Hellfire Mongrel deals 2 damage to that player.

Whenever an opponent casts a spell during your turn, draw a card.
At the beginning of each upkeep, if no spells were cast last turn, transform Hermit of the Natterknolls.

Flying, vigilance

Flying, haste
You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Tap target permanent.
Draw a card.

Whenever Identity Thief attacks, you may exile another target nontoken creature. If you do, Identity Thief becomes a copy of that creature until end of turn. Return the exiled card to the battlefield under its owner's control at the beginning of the next end step.