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, Sacrifice this artifact: Regenerate target creature.

When you cast this spell, create X 0/1 red Kobold creature tokens named Kobolds of Kher Keep, where X is the amount of mana spent to cast it.
Flying
Sacrifice another creature: Prossh gets +1/+0 until end of turn.

At the beginning of your upkeep, if you have 5 or less life, you gain 3 life and draw a card.

Choose target artifact or enchantment. Its owner shuffles it into their library.

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Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Draw two cards.

: Add .
, Sacrifice this land: Put your commander into your hand from the command zone.

First strike
When this creature enters, exile target instant or sorcery card from an opponent's graveyard. You may cast it this turn, and mana of any type can be spent to cast that spell. If that spell would be put into a graveyard, exile it instead.

Each other Warrior creature you control enters with an additional +1/+1 counter on it.
Each creature you control with a +1/+1 counter on it has trample.

Create a 3/3 green Elephant creature token.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

You gain life equal to the damage dealt to you this turn. Simulacrum deals damage to target creature you control equal to the damage dealt to you this turn.

As this enchantment enters, choose a creature type.
Creatures of the chosen type have fear. (They can't be blocked except by artifact creatures and/or black creatures.)

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(Gain the next level as a sorcery to add its ability.)
When this Class enters, search your library for an Equipment card, reveal it, put it into your hand, then shuffle.
: Level 2
Equip abilities you activate cost less to activate.
: Level 3
Whenever a creature you control attacks, up to one target creature blocks it this combat if able.

Deathtouch, ward
Other Spiders you control have deathtouch and ward .
Whenever another creature dealt damage this turn by a Spider you controlled dies, create a token that's a copy of that creature, except it's a Food artifact with ", , Sacrifice this token: You gain 3 life," and it loses all other card types.

When this artifact enters, if it was cast, target opponent creates a token that's a copy of it.
Whenever an opponent who controls an artifact named Wedding Ring draws a card during their turn, you draw a card.
Whenever an opponent who controls an artifact named Wedding Ring gains life during their turn, you gain that much life.

At the beginning of your end step, if a creature died this turn, create a tapped token that's a copy of this creature.

Your opponents can't search libraries.
If an opponent would begin an extra turn, that player skips that turn instead.

Exile two target artifacts.