{2}{G}: Dragonsbane Troll gains reach until end of turn and must be blocked this turn if able.

Sacrifice an artifact or another creature: Put a +1/+1 counter on Emgaran Aristocrat.

Destroy target creature whose power, toughness, and mana value aren't all equal.

Choose one or both —
• Target creature gets -X/-X until end of turn.
• Target player mills X cards.

Enchant creature
Enchanted creature gets +2/-2.

Deathtouch
When Gemari Ranger dies, crystallize.

When Gemari Seeker enters, target opponent reveals their hand. You choose a noncreature, nonland card from it. Exile that card until Gemari Seeker leaves the battlefield.
Reflect {4}{W}

Reflected
When Gemari Keeper enters, exile target creature an opponent controls until Gemari Keeper leaves the battlefield.

All creatures get -2/-2 until end of turn. If you control the creature with the greatest power or tied for the greatest power, instead only creatures your opponents control get -2/-2 until end of turn.

When this Rift enters or is traversed, mill three cards, then you may return a creature card from your graveyard to your hand.
Traverse 4

When this Rift enters or is traversed, choose one —
• Add {B}{B}{B}.
• Search your library for a card with mana value 4 or less, reveal it, put it into your hand, then shuffle.
Traverse 4

Whenever Igneate Blisterer attacks, you may sacrifice an artifact or another creature. If you do, Igneate Blisterer gets +2/+1 and gains menace until end of turn.

Menace
When Igneate Reshaper enters, you may sacrifice another creature. If you do, you may search your library for a card with the same name as the sacrificed creature, put it onto the battlefield tapped, then shuffle.

When this Rift enters or is traversed, target player discards a card.
Traverse 3

Choose one or more —
• Each player loses 2 life.
• Each player discards a card.
• Each player sacrifices a creature.
• Each player sacrifices a land.

When Obsidian Elemental enters, you lose 4 life.
Reflect {4}{G}{G}

Reflected
When Emerald Elemental enters, you gain 4 life.

At the beginning of your upkeep, target player draws a card and loses 2 life.
Reflect {R}{R}

Reflected
Haste
When Magma Adept enters, discard your hand and draw two cards.

When this Rift enters, draw three cards.
At the beginning of each end step, you lose 1 life for each card you drew that turn.
Traverse 3

When Priest of the Eye enters, crystallize.
Whenever Priest of the Eye attacks, if you control a creature with the greatest power or tied for the greatest power, you draw a card and you lose 1 life.

Whenever an enchantment you control is put into your graveyard from the battlefield, you may have target creature get -2/-2 until end of turn.

Flying
As long as there's an enchantment card in your graveyard, Riftwing Predator has lifelink.

If combat damage would be dealt to Skarn, the Bloodless, prevent that damage and mill that many cards instead.
{1}{B}, Exile four cards from your graveyard: Each opponent loses 2 life and you gain 2 life.

When Speaker for the Dead enters, mill two cards.
{B}, Exile Speaker for the Dead from your graveyard: Create a 1/1 red Elemental creature token, then mill two cards. Activate only as a sorcery.