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When you cast this spell, you may search your library for a colorless creature card with mana value 7 or greater, reveal it, then shuffle and put that card on top.
The first creature spell you cast each turn costs less to cast.

As an additional cost to cast this spell, pay X life.
Fire Covenant deals X damage divided as you choose among any number of target creatures.

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Protection from red
Shadow (This creature can block or be blocked by only creatures with shadow.)

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Create two 1/1 red Goblin creature tokens.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Flying
You may pay rather than pay the mana cost for spells you cast.

As an additional cost to cast this spell, sacrifice a creature.
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Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Reach (This creature can block creatures with flying.)
You may play lands from your graveyard.
If a land entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Partner with Chakram Slinger (When this creature enters, target player may put Chakram Slinger into their hand from their library, then shuffle.)
Whenever you cast a spell during your turn, untap target creature.

Trample
Whenever a source deals damage to this creature, that source's controller sacrifices that many permanents of their choice.

Permanents you control gain hexproof and indestructible until end of turn.

Choose up to five worth of modes. You may choose the same mode more than once.
— Put a +1/+1 counter on a creature you control. It gains vigilance and trample until end of turn.
— Choose artifact or enchantment. Destroy all permanents of the chosen type.
— Draw cards equal to the greatest power among creatures you control.

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As this land enters, you may pay 2 life. If you don't, it enters tapped.

Dragon spells you cast cost less to cast.
Whenever a Dragon you control enters, you may have Sarkhan become a copy of it until end of turn, except its name is Sarkhan, Soul Aflame and it's legendary in addition to its other types.

Whenever one or more creatures you control deal combat damage to a player, create two Treasure tokens.
, Sacrifice X Treasures: Target creature gets -X/-X until end of turn. Activate only as a sorcery.

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As this land enters, you may pay 2 life. If you don't, it enters tapped.

Search your library for a planeswalker card, reveal it, then shuffle and put that card on top.