Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
This artifact enters tapped.
: Add .

Haste
, : Create a 3/1 red Elemental creature token with haste.

This creature gets +2/+2 for each Aura attached to it.
Whenever you cast an Aura spell, you may draw a card.

Flying
Whenever you sacrifice another permanent, you gain 2 life if this is the first time this ability has resolved this turn. If it's the second time, each opponent loses 2 life. If it's the third time, create a 4/3 white and black Vampire Demon creature token with flying.

Alliance — Whenever another creature you control enters, choose one that hasn't been chosen this turn —
• Put a +1/+1 counter on this creature.
• Create a tapped Treasure token.
• You gain 2 life.

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.

, , Discard a card: Create a token that's a copy of another target creature you control. It gains haste and "When this token dies, draw a card." Sacrifice it at the beginning of the next end step. Activate only as a sorcery.
Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

(Start the game with this conspiracy face up in the command zone.)
You are the starting player. If multiple players would be the starting player, one of those players is chosen at random.

, , Sacrifice this artifact: Search target player's library for three cards and exile them. Then that player shuffles.

Oozes you control get +1/+1.
At the beginning of your upkeep, if you control a commander, create a token that's a copy of this creature.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Affinity for Forests (This spell costs less to cast for each Forest you control.)
Landfall — Whenever a land you control enters, create a 3/4 green Treefolk creature token with reach.
, Exile this enchantment: Treefolk and Forests you control gain indestructible until end of turn.

: You may put a creature card with total power and toughness 5 or less from your hand onto the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice that creature.

Reach
Lands you control and land cards you own that aren't on the battlefield are Deserts in addition to their other types.
Lands you control have ": Add one mana of any color."
: Mill two cards. You gain 1 life for each land card milled this way.

Create two 1/1 white Human Soldier creature tokens. Humans you control gain haste until end of turn.

Enchant creature
You control enchanted creature.

Haste
Whenever this creature attacks, exile the top card of your library. You may get (two energy counters). If you don't, you may play that card this turn.
, Pay : This creature deals 3 damage to any target.

Desolation of Smaug deals 3 damage to each non-Dragon creature.
Add four mana in any combination of colors. Spend this mana only to cast Dragon spells.

, : Put a trap counter on target land you control.
Sacrifice a land with a trap counter on it: This creature deals 3 damage to target attacking creature without flying.

This land enters tapped.
: Add , , or .