Whenever you put one or more -1/-1 counters on a creature, create a tapped 1/1 white Soldier creature token with lifelink.
Persist

Choose one —
• Counter target spell.
• Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

When Defense of Silver Glade enters, create a 2/2 white Knight creature token with vigilance.
[f] — Attacking creatures gain indestructible until end of turn.
[f] — Create a token that's a copy of target token you control.

When Embermane's Blitz enters, scry 1.
[f] — You may discard a card. If you do, draw two cards.
[f] — You may discard a card. When you do, Embermane's Blitz deals 3 damage to any target.

As an additional cost to cast this spell, sacrifice a nonland permanent.
Search your library for a card with mana value equal to 1 plus the sacrificed permanent's mana value that shares a card type with the sacrificed permanent, put that card onto the battlefield, then shuffle.

When Fall of Iron Hill enters, create four 1/1 red Goblin creature tokens with haste.
[f] — Whenever a creature dies this turn, Fall of Iron Hill deals 1 damage to each opponent.
[f] — Whenever a creature dies this turn, create a Treasure token.

When Fleshmaker's Harvest enters, mill four cards and gain 4 life.
[f] — Exile up to two target creature cards in graveyards. Create a 2/2 black Zombie creature token for each card exiled this way.
[f] — Return up to two other target permanent cards from your graveyard to your hand.

When Half-Heart's Claim enters, each opponent loses 3 life and you gain 3 life.
[f] — Return target creature card with mana value 3 or less from your graveyard to the battlefield.
[f] — You may sacrifice a creature. When you do, destroy target nonland permanent with mana value 3 or less.

First strike, vigilance
Whenever Halfsilver Lieutenant enters or attacks, creatures you control get +1/+0 until end of turn.

Tunneler
Whenever a creature you control deals combat damage to a player, you may draw a card. This ability triggers no more than twice each turn.

Ward—Discard a card.
At the beginning of your upkeep, exile the top two cards of each opponent's library. You may play cards exiled this way until your next turn.
Spells you cast but don't own cost {2} less to cast. You may spend mana as though it was mana of any color to cast spells this way.

When Matchmaker's Grand Game enters, create two Weapon tokens.
[f] — Attach any number of Equipment you control to target attacking creature.
[f] — Target attacking creature gains double strike and trample until end of turn. Untap it.

Exile target creature card and target permanent card from your graveyard. If you exiled two cards this way, create a token that's a copy of the exiled creature card, except it has all abilities of the exiled permanent card.

When Siege of Ember Cove enters, target creature you control gets +3/+3 until end of turn.
[f] — This combat, target attacking creature can't be blocked except by three or more creatures.
[f] — This combat, target attacking creature must be blocked by at least three creatures if able.

Defender, indestructible
Whenever you activate an ability of a creature with defender, you may copy that ability. You may choose new targets for the copy.
If a triggered ability of another creature with defender you control triggers, you may have that ability trigger an additional time.

When Snowsinger's False Spring enters, draw three cards.
[f] — Untap up to three creatures you control.
[f] — Untap up to three lands you control.

Whenever Spiteblood Skulltaker or another creature dies, Spiteblood Skulltaker deals 1 damage to target opponent or planeswalker.
Whenever you attack, you may sacrifice a creature. If you do, Spiteblood Skulltaker gets +1/+0 and gains indestructible until end of turn.

Tunneler
As long as Stormseeker Conjurant is in the tunnels, it has base power and toughness 5/2 and has haste. Otherwise, it has hexproof and “{2}, {T}: Draw a card.”

Defender
You may spend mana as though it was mana of any color to cast spells with defender or activate abilities of creatures with defender.
{2}, {T}: You may activate an ability of another target creature with defender you control without paying its costs.

Vigilance
Whenever Tan'Shina Warcaller attacks, you may exile another target attacking creature, then return it to the battlefield tapped and attacking under your control.

[+1]: You may sacrifice a land or discard a land card. If you do, draw a card and gain 2 life.
[–2]: You may put a land card from your hand or graveyard onto the battlefield. When you do, Ulfarl deals 2 damage to any target.
[–6]: Put any number of land cards from your hand and/or graveyard onto the battlefield. When you do, Ulfarl deals damage equal to the number of lands you control divided as you choose among any number of targets.

Return up to X target tapped creatures you control to their owner's hand. You gain X life.
Maneuver

Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.
Maneuver

Target player mills four cards.
Draw a card.
Maneuver

Exile target nonland card from a graveyard. Copy that card. You may cast the copy without paying its mana cost.
Maneuver