Creatures you control with counters on them have all activated abilities of other creatures you control with counters on them.
{1}, {T}: Teach target creature vigilance.

Enchant creature you control
All damage that would be dealt to you is dealt to enchanted creature instead.
If a source would deal damage to enchanted creature, if you control three or more enchantments, prevent 1 of that damage.

Flash
Lifelink
When Nikon, Skophos Protector enters, the next time a source of your choice would deal damage to you or a permanent you control this turn, prevent that damage. If damage is prevented this way, Nikon deals that much damage to that source's controller.

Nimbus of Thought enters tapped.
{T}: Add {U} or {R}.
{4}{U/R}: Until end of turn, Nimbus of Thought becomes a 3/3 blue and red Elemental creature with “Whenever this creature becomes tapped, you may discard a card. If you do, draw a card.” It's still a land. This ability costs {X} less to activate, where X is your devotion to blue and red. Activate only once each turn.

When Nocturne, Monstrous Krasis enters and at the beginning of your upkeep, put X +1/+1 counters on Nocturne, where X is the number of different kinds of counters on permanents you control.

Nykthos, Architect of Gods has indestructible as long as you control at least three Shrines.
Whenever Nykthos attacks, you may pay {W}{U}{B}{R}{G}. If you do, search your library for a Shrine or legendary land card, put it onto the battlefield, then shuffle.

If you would add mana of a color to your mana pool, you may instead add an amount equal to your devotion to that color instead.

Trample
Amity — Whenever Old-Growth Gecko attacks, put a +1/+1 counter on another creature you control. If exactly one other creature attacked with it, this ability triggers three times instead.

Whenever you cast an instant or sorcery spell from your hand, cache it instead of putting it into your graveyard as it resolves.

Whenever you cast a multicolored spell, this creature deals 1 damage to each opponent and you gain 1 life.
When this creature dies, create a Treasure token.

Your maximum hand size is zero.
Pay 1 life: Draw a card. Activate only as a sorcery.

Create a token that's a copy of target creature. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Whenever Opal-Eye Allseer enters or you cast a noncreature spell, create a 1/1 white Bird creature token with flying.
Wander—{1}{U}, Exile two instant and/or sorcery cards from your graveyard.

Whenever another creature you control enters, if that creature's power is greater than this creature's power, you may put a +1/+1 counter on this creature.
{2}{G}: Move any number of +1/+1 counters from this creature to another target creature you control. Activate only as a sorcery.

Until end of turn, target creature you control gets +2/+2 and gains “Whenever this creature is dealt damage, you may have it fight target creature you don't control.” Then, it fights target creature you don't control.

Exile target creature or planeswalker. Its controller loses 2 life.

Counter target spell. That spell's controller reveals their hand. Choose any number of nonland cards from it. That player puts those cards on the bottom of their library in any order, then draws that many cards.

Create a 3/1 red Dinosaur creature token. When you do, pay for and choose any number.
+{G} — Put a trample counter on target creature you control.
+{U} — Put a +1/+1 counter on target creature you control.
+{R} — Put a haste counter on target creature you control.

Trample
Solidarity
{G}, Sacrifice an enchantment: Ozanwood Huntsman gets +2/+2 until end of turn.

When this Subroutine enters, you may discard a card. When you do, it deals 4 damage to target creature or planeswalker.
Whenever this Subroutine runs, create a 4/4 red Error creature token with menace.

Choose one. For every two different creature types among creatures you control, you may choose another —
• Target creature gets +3/+3 until end of turn.
• Target creature you control fights another target creature.
• Add three mana of any one type.
• Draw a card.

When Parental Pair enters, create a token that's a copy of it, except it's 2/2 and doesn't have this ability.
Amity — Whenever you attack with Parental Pair and exactly one other creature, you may have Parental Pair fight target creature.

This spell can't be countered.
Destroy all permanents without activated abilities.

Choose up to one for each color among red, green, and white among permanents you control.
• Target player creates a 2/2 red Berserker creature token with haste and “This creature can't block.”
• Creatures target player controls get +2/+0 until end of turn.
• Each creature you control deals damage equal to its power to target creature.

Whenever Penrath Dispatcher attacks, you may put a creature card with mana value less than or equal to Penrath Dispatcher's power from your hand onto the battlefield tapped and attacking.
{2}: Penrath Dispatcher gets +1/+1 until end of turn.