Enchant creature
Enchanted creature gets +1/+1 and has “Whenever this creature deals combat damage to a player, draw a card.”
{VP}{VP}{VP}: Enchanted creature gains flying until end of turn.

When Contest Coordinator enters, look at the top five cards of your library. You may reveal a Plains card or a nonland card with an activated ability from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Once each turn, when you activate a nonmana ability, you gain 2 life.

When Convoy Forerunner dies, choose one —
• Create a 1/1 white Nomad creature token with vigilance.
• Search your library for a Nomad card, reveal it, then shuffle and put that card on top of it.

Corgan Bourgeois's power is equal to the number of artifacts you control.
Whenever Corgan Bourgeois or another artifact you control enters, you gain 1 life.

Whenever a creature dies, scry 1.

Whenever a creature you control deals combat damage to a player, you may sacrifice it. If you do, draw a card. Otherwise, surveil 1.

Put three -1/-1 counters on target attacking or blocking creature.

When this Rift enters or is traversed, if you have less life than an opponent, you gain 3 life. If you control fewer creatures than an opponent, create two tapped 1/1 colorless Reflection creature tokens. If you have fewer cards in hand than an opponent, draw a card.
Traverse 3

When Courtless Spiritcaller enters, create a 1/1 white Spirit creature token with flying.
{4}{W}, Sacrifice Courtless Spiritcaller: Create two 1/1 white Spirit creature tokens with flying.

Put target artifact or enchantment on the bottom of its owner's library.

Whenever another creature dies, if that creature had the greatest power or was tied for the greatest power, you gain 2 life and draw a card.

Until end of turn, each creature you control can't be blocked by more than one creature.
Maneuver

When Crippling Hallucinations enters, investigate twice.
Whenever you sacrifice a Clue, you may tap target creature.

Exile target creature with flying.

As Crownguard Ban enters, choose a card name.
Spells with the chosen name can't be cast.
{3}, Exile a card from your hand with the chosen name: Draw a card. Any player may activate this ability.

When Crownguard Instructor enters, put a vigilance counter on target creature you control.

Target creature you control deals damage equal to its toughness to another target creature.

As an additional cost to cast this spell, exile a card from your graveyard.
Search your library for a card with the same mana value as the exiled card, reveal it, put it into your hand, then shuffle. You lose 2 life.

Crystal Cuirass enters with two +1/+1 counters on it.
Whenever Crystal Cuirass becomes attached to a creature, move all counters from Crystal Cuirass onto that creature.
Whenever Crystal Cuirass becomes unattached from equipped creature, if that creature had counters on it, put those counters on Crystal Cuirass.
Equip {3}

Vigilance, trample
When Crystal Lion enters, crystallize.

Flash
Haste
When Cuernas, Victor of the Ring enters, it and other legendary creatures you control gain trample and indestructible until end of turn.

Master of Monument to the Thirty
{30}: Curator of Myth deals 30 damage to any target.

Experience
Curious Cubs has first strike as long as its attacking.
When Curious Cubs has three or more +1/+1 counters on it, remove them all and transform it.