Flying, lifelink
Pay 7 life: Draw seven cards.

Guardian Idol enters the battlefield tapped.
: Add .
: Guardian Idol becomes a 2/2 Golem artifact creature until end of turn.

Constellation — Whenever Harvestguard Alseids or another enchantment enters the battlefield under your control, prevent all damage that would be dealt to target creature this turn.

Creatures your opponents control get -1/-0.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary if equipped creature is legendary. That token gains haste.
Equip

Flying, trample

: Igneous Cur gets +2/+0 until end of turn.

As an additional cost to cast this spell, reveal a creature card from your hand.
Target creature gets -X/-X until end of turn, where X is the revealed card's converted mana cost.

Enchant creature
When Infinite Reflection enters the battlefield attached to a creature, each other nontoken creature you control becomes a copy of that creature.
Nontoken creatures you control enter the battlefield as a copy of enchanted creature.

When Inquisitor Exarch enters the battlefield, choose one —
• You gain 2 life.
• Target opponent loses 2 life.

Enchant creature
Enchanted creature has "Whenever this creature attacks, create a 4/4 white Angel creature token with flying that's tapped and attacking. Exile that token at end of combat."

Draw three cards.

[+1]: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn.
[−2]: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order.
[−8]: For each player, search that player's library for a nonland card and exile it, then that player shuffles their library. You may cast those cards without paying their mana costs.

Whenever you cast your second spell each turn, draw a card.

Flying
Whenever a creature an opponent controls is dealt damage, put a +1/+1 counter on Kazarov, Sengir Pureblood.
: Kazarov deals 2 damage to target creature.

Menace
Whenever Kheru Mind-Eater deals combat damage to a player, that player exiles a card from their hand face down.
You may look at cards exiled with Kheru Mind-Eater, and you may play lands and cast spells from among those cards.

, Discard a nonblack card: Draw a card.
, Discard a black card: Draw two cards, then discard one of them.

Reveal the top six cards of your library. Put up to three enchantment cards from among them into your hand and the rest of the revealed cards into your graveyard.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's converted mana cost.)
When you cast this spell, you may put target nonland permanent on top of its owner's library.

Lava Spike deals 3 damage to target player or planeswalker.