Whenever equipped creature attacks, put four +1/+1 counters on it. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity. Equip commander {3} Equip {5}

Equipped creature gets +1/+1 for each counter on it. Equipped permanent isn't a planeswalker and is a creature in addition to its other types. (Loyalty abilities can still be activated.) Equip planeswalker {1} Equip {3}

If one or more +1/+1 counters would be put on an artifact or creature you control, that many plus one +1/+1 counters are put on it instead. {1}{G}, {T}: Put a +1/+1 counter on target artifact or creature you control. Activate only as a sorcery. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}{C}.

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith. At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature.

Flying Whenever this creature deals combat damage to a player, roll a d20. When you do, put X +1/+1 counters on each of up to two target creatures, where X is the result.

This creature enters with your choice of a deathtouch counter or a lifelink counter on it.

Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature. {3}{G}{G}: Double the number of +1/+1 counters on each creature you control.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

At the beginning of combat on your turn, choose a kind of counter at random that this creature doesn't have on it from among flying, first strike, deathtouch, hexproof, lifelink, menace, reach, trample, vigilance, and +1/+1. Put a counter of that kind on this creature.

Haste This creature attacks each combat if able. {1}{B}, Exile this card from your graveyard: Put an indestructible counter on target creature. Activate only as a sorcery.

When this creature enters, put a lifelink counter on target non-Human creature you control. {1}{B}, {T}: Put a +1/+1 counter on each creature you control with lifelink.

When this creature enters, put a +1/+1 counter on target creature. Each creature you control with a +1/+1 counter on it has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Whenever a player casts a spell, you may put a +1/+1 counter on this creature. At the beginning of your upkeep, you may move any number of +1/+1 counters from this creature onto other creatures.

This creature enters with your choice of two different counters on it from among menace, deathtouch, and lifelink.

When this creature enters, put a trample counter on target non-Human creature you control. {2}{G}, {T}: Put a +1/+1 counter on each creature you control with trample.

Trample Lieutenant — At the beginning of combat on your turn, if you control your commander, put a +1/+1 counter on each creature you control.

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) When this creature enters, target creature you control gains deathtouch and lifelink until end of turn.

Flying, deathtouch, lifelink Renew — {2}{B}, Exile this card from your graveyard: Put a flying counter, a deathtouch counter, and a lifelink counter on target creature. Activate only as a sorcery.

Reyhan enters with three +1/+1 counters on it. Whenever a creature you control dies or is put into the command zone, if it had one or more +1/+1 counters on it, you may put that many +1/+1 counters on target creature. Partner (You can have two commanders if both have partner.)

Flying, vigilance, trample, lifelink {5}, Exile this card from your graveyard: Choose target creature. Put four +1/+1 counters, a flying counter, a vigilance counter, a trample counter, and a lifelink counter on that creature. Activate only as a sorcery.

Flash Hexproof When this creature enters, put a hexproof counter on target creature. Then move any number of counters from among creatures you control onto that creature.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Thundering Mightmare is paired with another creature, each of those creatures has "Whenever an opponent casts a spell, put a +1/+1 counter on this creature."

Trample Cycling {1}{G} ({1}{G}, Discard this card: Draw a card.) When you cycle this card, put a trample counter on target creature you control.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Enchant creature At the beginning of your upkeep, put a +1/+1 counter on enchanted creature.

Destroy target creature. Put a menace counter on a creature you control. (It can't be blocked except by two or more creatures.)

Add {B}{B}{B}.

Target creature gets +3/+3 until end of turn. Put a trample counter on it.

Put a +1/+1 counter, a reach counter, and a deathtouch counter on target creature. Untap it.

Destroy target artifact or enchantment. Its controller gains 4 life.

{T}: Add one mana of any color in your commander's color identity.

Minas Morgul enters tapped. {T}: Add {B}. {3}{B}, {T}: Put a shadow counter on target creature. For as long as that creature has a shadow counter on it, it's a Wraith in addition to its other types. (A creature with shadow can block or be blocked by only creatures with shadow.)

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

Return up to two target creature cards with total mana value 3 or less from your graveyard to the battlefield. Put a deathtouch counter on either of them. Then put a menace counter on either of them.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Destroy all creatures. They can't be regenerated.

Search your library for a card, put that card into your hand, then shuffle.

Put five +1/+1 counters on target creature. If this spell was cast from a graveyard, put ten +1/+1 counters on that creature instead. Flashback {5}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Put X +1/+1 counters on target creature, where X is that creature's power.