Whenever a creature entering the battlefield under your control causes an ability of a permanent you control to trigger, draw a card. This ability triggers only once each turn.

When Endangered Scinok dies, put a +1/+1 counter on up to one target creature.

Steamveil Model enters with a +1/+1 counter on it.

Callaphe can't be blocked by creatures with mana value 3 or greater.
Whenever Callaphe the Mariner deals combat damage to a player, you get an experience counter. Then if you have three or more experience counters, bless target player.

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.

Exalted
When this creature enters, return target artifact or enchantment card from your graveyard to your hand.

Flying
Whenever one or more creatures you control deal combat damage to a player, that player mills two cards.

Target opponent separates their creatures into two piles. Gain control of each creature from the pile of your choice until end of turn. Untap them. They get +1/+0 and gain trample and haste until end of turn.

Enchant creature
Whenever enchanted creature deals combat damage to a player or planeswalker, you may sacrifice it. If you do, untap all creatures you control and after this phase, there is an additional combat phase.

{T}: Add {R}{R}{R}. Spend this mana only to cast creature spells. If that mana is spent on a creature spell, it enters with an additional haste counter and decayed counter on it.

As an additional cost to cast artifact spells, you may pay {2}. When you do, each opponent sacrifices an untapped creature.

Enchanted creatures you control get +2/+2 until end of turn. Other creatures you control get +2/+0 until end of turn.

Target creature you control deals damage equal to its power to target creature you don't control. If the creature you control has trample, excess damage is dealt to that creature's controller instead.

When Resourceful Hireling enters, choose one —
• Create a 0/0 colorless Robot artifact creature token with a +1/+1 counter on it.
• Create a Treasure token.

Vigilance
{T}: Surveil 1.
Surface {3}{U}

Menace, haste
Whenever you discard one or more cards, you may sacrifice this creature. If you do, return one of the discarded cards from your graveyard to your hand.

When Skarni Patrol enters, if you control an Equipment, you draw a card and you lose 1 life.
Pay 2 life: The next equip ability you activate this turn costs {2} less to activate. Activate only once each turn.

At the beginning of each player's upkeep, that player mills X cards, where X is the number of tapped permanents their opponents control.

Mirrormeld Spire has all abilities of land cards integrated onto permanents you control.
{T}: Add {C}.
{C}, {T}: Integrate the top card of target player's library.

Flash
When Seal Away enters, exile target tapped creature an opponent controls until Seal Away leaves the battlefield.

Flying
Whenever a creature you control attacks alone, if a creature you control that isn't attacking has flying, the attacking creature gains flying until end of turn. The same is true for first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, protection, and trample.

[+1]: Up to one target nonland permanent gets -1/-1 and loses all abilities until your next turn.
[0]: Target creature you control gets +2/+2 and gains lifelink until your next turn.
[–1]: Each player discards a card. Then you may pay 2 life. If you do, draw a card.
[–3]: You and target opponent's life totals each become equal to half your combined life totals, rounded down.

Lifelink
Landfall — Whenever a land you control enters, create a Berry token. You may attach it to Rooting Raccoon.

Valley Village enters tapped.
{T}: Add {R} or {G}.
{1}, Discard Valley Village: Scry 2.

Destroy target creature or enchantment you don't control. If your devotion to black is three or greater, you gain 3 life.