Search your library for a basic land card, put it into the battlefield tapped, then shuffle. If this spell's flashback cost was paid, search your library for a land card rather than a basic land card.
Flashback—{G}, Sacrifice a land.

Flash
Gulping Meqmaw's power is equal to the total number of permanents with flash you control and instant cards in your graveyard.
Whenever you cast a spell during an opponent's turn, mill two cards.

Target player draws two cards and loses 2 life. Put a menace counter on up to one target creature you control.

When Hans Nehmann enters the battlefield, you may search your library for a card named Marie Laurent or Diago Maldovo and reveal that card. If you do, shuffle, then put the card on top of it.
Legendary Allies you control have lifelink.

Target creature you control deals damage equal to its power to target creature. If this spell's flashback cost was paid, it deals that much damage to target player instead.
Flashback {4}{R}

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

When Harvesting Blade enters the battlefield, target opponent exiles two cards from their hand.
Equipped creature gets +2/+1 and has “When this creature dies, you may cast a card exiled with Harvesting Blade with equal or lesser mana value without paying its mana cost.”
Equip {3}

Flash
When Hazard Blade enters the battlefield, destroy target creature an opponent controls that was dealt damage this turn.
Equipped creature get +4/+0.
Equip {5}

When Hearty Roughrider enters or leaves the battlefield, you gain life equal to the greatest toughness among creatures you control.
Wander {4}{G}{G}

At the beginning of combat on your turn, if you have at least 3 life more than your starting life total, untap target land.

Favored
Whenever your Champion attacks, scry 1.

This spell costs {2} less to cast as long as you've cast another instant or sorcery spell this turn.
High Voltage deals 3 damage to any target.

Lifelink
As long as you have at least 3 life more than your starting life total, each creature you control with toughness greater than its power assigns combat damage equal to its toughness rather than its power.

Flying
When Hoarding Rocs enters the battlefield, look at the top three cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom in a random order.

Hold to the Flame enters the battlefield with a blaze counter on it.
Whenever you cast an instant or sorcery spell with mana value 4 or greater, put a blaze counter on Hold to the Flame. Then it deals damage equal to the number of blaze counters on it to any target.

Flash
Enchant creature
Enchanted creature can't attack or block.

This spell costs {2} less to cast if it targets a creature you control that attacked this turn.
Put a +1/+1 counter on target creature you control. It fights target creature you don't control.

Favored
Whenever Iara, Blessed-Hart attacks, Iara and another target attacking creature gain double strike until end of turn.

Ignite Flesh deals 2 damage to each creature except for Zombies and Skeletons you control.

Whenever Ikel attacks or blocks, tokens you control gain deathtouch until end of turn.
At the beginning of your upkeep, if you control no other nontoken creatures, create a 1/1 white Soldier creature token.
Escape—{1}{W}{B}, Sacrifice three creatures.

Enchant land
Enchanted land is a 4/4 Dryad creature with reach, vigilance, and haste. It's still a land.
When enchanted land dies, return it to its owner's hand.

Trample, haste
When Impetuous Knight enters the battlefield, target opponent creates a Windmill artifact token with “{T}: Prevent all combat damage target Knight would deal to you this turn”.
Impetuous Knight attacks each combat if able as long as an opponent controls a Windmill.

Target creature gets +2/+2 until end of turn. Untap that creature. Put a flying counter on it.

Whenever you cast a spell, exile up to one other target permanent you control. Return it to the battlefield under your control at the beginning of the next end step.

Integrate target permanent spell.