Put a +1/+1 counter on target creature.
Morbid — Put three +1/+1 counters on that creature instead if a creature died this turn.

Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature you control.
: This enchantment becomes a Bear creature in addition to its other types and gains "This creature's power and toughness are each equal to the number of lands you control." (This effect doesn't end.)

Flying

Flying, trample
When Orcus enters, choose one —
• Each other creature gets -X/-X until end of turn. You lose X life.
• Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn.

Whenever you draw your second card each turn, put a +1/+1 counter on this creature.

Enchant artifact or creature
When this Aura enters, create a 1/1 white Soldier creature token.
Enchanted permanent can't attack or block, and its activated abilities can't be activated.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Volcanic Torrent deals X damage to each creature and planeswalker your opponents control, where X is the number of spells you've cast this turn.

Creatures you control get +2/+0 until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

: Add .
, , Sacrifice this land: Return target artifact card from your graveyard to your hand.

Flying
: This creature becomes the creature type of your choice until end of turn.
, : Choose a creature type. Each creature you control becomes that type until end of turn.

, , Sacrifice another creature: Draw X cards, where X is that creature's power.
Choose a Background (You can have a Background as a second commander.)

When Jiang Yanggu enters, create Mowu, a legendary 3/3 green Dog creature token.
At the beginning of your end step, untap all tokens you control.

As long as this creature is enchanted by exactly one Aura, it has base power and toughness 3/3.
As long as this creature is enchanted by exactly two Auras, it has base power and toughness 5/5 and vigilance.
As long as this creature is enchanted by three or more Auras, it has base power and toughness 10/10, vigilance, and trample.

, , Sacrifice this artifact: Search target opponent's library for a card and exile it. Then that player shuffles. Until the beginning of your next upkeep, you may play that card. At the beginning of your next upkeep, if you haven't played it, put it into its owner's graveyard.

Flying
When this creature enters, you gain 2 life for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Flying
When this creature enters, until end of turn, target creature you control gets +X/+0 and target creature an opponent controls gets -0/-X, where X is the number of artifacts you control.

Whenever a creature with flying attacks, it loses flying until end of turn.

When this creature enters, draw a card.

Choose one —
• Burn Down the House deals 5 damage to each creature and each planeswalker.
• Create three 1/1 red Devil creature tokens with "When this token dies, it deals 1 damage to any target." They gain haste until end of turn.

Until end of turn, target creature gets +1/+1 for each creature you control and gains trample.