All creatures get -1/-1 until end of turn for each Swamp you control.

Instant and sorcery spells you control have rebound. (Exile the spell as it resolves if you cast it from your hand. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Enchant artifact you control
At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

+1: Head to AskUrza.com and click +1.
−1: Head to AskUrza.com and click -1.
−6: Head to AskUrza.com and click -6.

Rift Bolt deals 3 damage to any target.
Suspend 1— (Rather than cast this card from your hand, you may pay and exile it with a time counter on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Changeling (This card is every creature type.)
When this creature enters, destroy up to one target artifact or enchantment.

Whenever you're dealt damage,
Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

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

Whenever another creature you control enters, it gets +2/+0 and gains haste until end of turn.
When Enduring Courage dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Whenever a nontoken artifact is put into your graveyard from the battlefield, return that card to your hand unless target opponent has this enchantment deal 3 damage to them.

Double strike, haste
Whenever this creature attacks, you get (two energy counters), then you may pay eight . If you pay, untap all creatures you control, and after this phase, there is an additional combat phase.

Equipped creature has first strike and gets +1/+0 for each instant and sorcery card in your graveyard.
Whenever equipped creature deals combat damage to a player, you may cast an instant or sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost.
Equip

Whenever you cast a blue spell, target player mills two cards.

Flash
You may have this creature enter as a copy of any creature card in a graveyard that was put there from the battlefield this turn, except it's a Phyrexian in addition to its other types.

Menace
Whenever The Infamous Cruelclaw deals combat damage to a player, exile cards from the top of your library until you exile a nonland card. You may cast that card by discarding a card rather than paying its mana cost.

The "legend rule" doesn't apply to Slivers you control.
Each Sliver creature card in your graveyard has encore , where X is its mana value.
Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Exile target black or red permanent.

Whenever another Zombie you control enters, put a +1/+1 counter on this creature.

Target creature's owner shuffles it into their library, then faces a villainous choice — They lose 5 life, or they shuffle another creature they own into their library.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and no matter when it came under your control.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)