When Heavy Winds enters and whenever you cast a spell, prevent all damage up to one target permanent would deal this turn.

Enchant creature
Enchanted creature gets +1/+1 and has protection from creatures.

Defender
When Herald of Awakening enters, draw a card. Then discard a card unless you control a Ruin.
Whenever a Ruin you control becomes spellcharged, Herald of Awakening loses defender until end of turn.

Amity — Whenever you attack with Higana and exactly one other creature, create a 3/3 green, blue, and red Dragon creature token. If the other attacking creature was a Dragon, the token has flying. If it also had flying, the token has vigilance. If it also had vigilance, the token has double strike.
{1}{W}: Create Shigana, a legendary 2/2 white Beast creature token with haste.

Vigilance
Whenever another creature entering the battlefield under your control causes an ability of a permanent you control to trigger, put a +1/+1 counter on that creature and you gain 1 life. This ability triggers only once each turn.

When Hoenn Champion enters, create a creature token for each of the following characteristics.
• 3/3 white and black Bird with flying, vigilance, and haste.
• 2/4 red Bird Warrior with double strike, vigilance, and haste.
No more than two creatures can attack each combat. No more than two creatures can block each combat.

Ward—Sacrifice a permanent.
Whenever Host of the Neverending Revel enters or attacks, each player sacrifices a nonland, nontoken permanent. For each player who doesn't, you draw a card.

When Hostage Situation enters, target opponent reveals their hand. Exile a nonland card from it and up to one creature card from your graveyard. When Hostage Situation is no longer on the battlefield, return the exiled cards to their owner's hands.

Hundred-Handed Pillars enters tapped.
{T}: Add {W} or {U}.
{7}{W/U}: Hundred-Handed Pillars becomes a 4/6 white and blue Giant creature with vigilance until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to white and blue. Activate only once each turn.

Hyperloop Obelisk enters tapped.
{T}: Add {U}, {B}, or {R}.
{VP}{VP}{VP}{VP}, Discard Hyperloop Obelisk: Untap target creature. It gets +4/+4 until end of turn.

Favored
Whenever Iara, Blessed-Hart attacks, Iara and another target attacking creature gain double strike until end of turn.

{VP}{VP}{VP}: Reveal the top seven cards of your library. You may have Iconic Hologram become a copy of a legendary creature card revealed this way until end of turn. Put the revealed cards on the bottom of your library in a random order.

{X}, {T}, Sacrifice another creature: Create a token that's a copy of target nontoken creature you control other than Identity Forger with mana value X.

Creatures you control that have been a target or the source of a spell or ability you controlled this turn have ward {2}.
Once each turn, when you spend mana to activate an ability, you may gain that much life.
{X}{U}{R}{W}: Idolized Coordinator and another target creature you control each get +X/+X and gain vigilance until end of turn.

Enchant land
Enchanted land is a 4/4 Dryad creature with reach, vigilance, and haste. It's still a land.
When enchanted land dies, return it to its owner's hand.

Imposing Oddity enters with X +1/+1 counters on it.
Whenever Imposing Oddity becomes spellcharged, put a +1/+1 counter on it.
Spellcharge 4
When Imposing Oddity dies, you may put its counters on another target Ruin you control.

Vigilance
When Indomitable Jicru enters, you gain 5 life and draw a card. If it wandered, creatures you control get +2/+2 until end of turn.
Wander {6}{G}{W}

{3}{R}{R}, Exile Indulge the Fifth Encore from your hand: At the beginning of your next upkeep, you may cast Indulge the Fifth Encore from exile without paying its mana cost. Activate only as a sorcery.
Add {W}{U}{B}{R}{G}. Until end of turn, you don't lose this mana as steps and phases end.

Whenever Inner Ring's Pupil enters or attacks, target player discards a card. If they can't, they sacrifice a creature. If they can't, they lose 7 life.

As an additional cost to cast this spell, you may remove any number of loyalty counters from among planeswalkers you control. This spell costs {1} less to cast for each counter removed this way.
Create X 1/1 white Elemental Bird creature tokens with flying.

Put a defender counter on each creature.

Target player exiles a creature they control and the top card of their library. When they exile cards this way, pay for and choose any number.
+{B} — Each player exiles a card from their hand.
+{W} — Exile any player's graveyard. You gain 1 life for each card type among cards exiled this turn.
+{C} — Each opponent loses 1 life for each card type among cards exiled this turn.

Choose one. If your devotion to red is three or greater, you may choose another. The same is true for devotion to white.
• Create three 1/1 white Human creature tokens.
• Creatures you control get +1/+1 and gain haste until end of turn.
• Opponents can't cast spells or activate abilities that aren't mana abilities this turn.

Vigilance, trample
{2}{R}{W}: Any number of target creatures you control have base power and toughness 6/6 until end of turn.

When Ironback Tyke enters, you may search your library for a basic Mountain or Plains card, reveal it, put it into your hand, then shuffle.
{2}{R}{W}: Any number of target creatures you control have base power and toughness 3/3 until end of turn. If you control seven or more permanents with activated abilities, transform Ironback Tyke. Activate only as a sorcery.