At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.

When this creature dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add ."

: This creature gets +1/+1 until end of turn.

Create two 1/1 green Phyrexian Insect creature tokens with infect. (They deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When this Vehicle enters, mill two cards. Then return a creature or Vehicle card from your graveyard to your hand. (To mill two cards, put the top two cards of your library into your graveyard.)

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

This creature gets +X/+0, where X is the greatest power among creature cards in your graveyard.

When this creature enters, mill four cards. (Put the top four cards of your library into your graveyard.)

Flying

When this creature enters, you may exile target creature card from a graveyard. If you do, you gain 2 life.

Whenever this creature attacks or blocks, any player may exile a card from their graveyard. If a player does, this creature assigns no combat damage this turn.

When this creature dies, you may pay . If you do, return another target creature card from your graveyard to your hand.

Whenever this creature attacks or blocks, any player may exile three cards from their graveyard. If a player does, this creature assigns no combat damage this turn.

When this artifact enters and when you sacrifice it, create a 1/1 white Rabbit creature token and scry 1. (Look at the top card of your library. You may put that card on the bottom.)

, , Sacrifice this artifact: You gain 3 life.

Sacrifice another creature: This creature gains protection from the color of your choice until end of turn.

When this creature enters, you may return target land card from your graveyard to your hand.

Flying

When this creature deals combat damage to a player who controls more lands than you, return it to its owner's hand. If you do, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Enchant creature you control

When this Aura enters, you may put a -1/-1 counter on target creature.

Enchanted creature gets +1/+1 and has lifelink.

Enchant creature you control

When this Aura enters, create a 1/1 white Warrior creature token with vigilance.

Enchanted creature gets +1/+1 and has first strike. (It deals combat damage before creatures without first strike.)

Enchant creature you control

When this Aura enters, target creature can't block this turn.

Enchanted creature gets +1/+1 and has haste. (It can attack and no matter when it came under your control.)

: Add .

, : Add , , or .

Indestructible

: Add .

, : Add five mana in any combination of colors.

When this Case enters, it deals 3 damage to target creature an opponent controls.

To solve — Three or more sources you controlled dealt damage this turn. (If unsolved, solve at the beginning of your end step.)

Solved — Sacrifice this Case: Exile the top three cards of your library. Choose one of them. You may play that card this turn.

When this Case enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

To solve — You control three or more artifacts. (If unsolved, solve at the beginning of your end step.)

Solved — , Sacrifice this Case: Put four +1/+1 counters on target noncreature artifact. It becomes a 0/0 Bird creature with flying in addition to its other types.

When this Case enters, destroy up to one target creature that was dealt damage this turn.

To solve — Three or more creature cards were put into graveyards from anywhere this turn. (If unsolved, solve at the beginning of your end step.)

Solved — This Case is a 4/4 Gorgon creature with deathtouch and lifelink in addition to its other types.

Whenever a Detective you control enters or is turned face up, put a +1/+1 counter on it.

To solve — You control three or more Detectives. (If unsolved, solve at the beginning of your end step.)

Solved — If one or more tokens would be created under your control, those tokens plus a Clue token are created instead. (It's an artifact with ", Sacrifice this token: Draw a card.")

When this Case enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

To solve — There are five colors among permanents you control. (If unsolved, solve at the beginning of your end step.)

Solved — At the beginning of combat on your turn, target creature you control gains flying, double strike, and vigilance until end of turn.

When this Case enters, create a 2/1 black Skeleton creature token and suspect it. (It has menace and can't block.)

To solve — You control no suspected Skeletons. (If unsolved, solve at the beginning of your end step.)

Solved — , Sacrifice this Case: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

Whenever a creature you control enters, you gain 1 life.

To solve — You've gained 5 or more life this turn. (If unsolved, solve at the beginning of your end step.)

Solved — Sacrifice this Case: Creature cards in your graveyard gain "You may cast this card from your graveyard" until end of turn.

Vigilance

Whenever Cass or another creature you control dies, if it was enchanted or equipped, return any number of Aura cards that were attached to it from your graveyard to the battlefield attached to target creature, then attach any number of Equipment that were attached to it to that creature.

Enchant creature

Enchanted creature gets -2/-0 and can't block.

Destroy all non-Giant creatures. (Then exile this card. You may cast the creature later from exile.)

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.)

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

Untapped creatures you control get +0/+2.

This land enters tapped unless you control a Mountain.

: Add .

, : Creatures you control get +1/+0 until end of turn.

This land enters tapped unless you control a Swamp.

: Add .

, : Draw a card, then you lose life equal to the number of cards in your hand.

: Add .

, : Add .

, : Add or .

Choose one or more —

• Destroy target artifact.

• Destroy target creature.

• Destroy target enchantment.

• Destroy target land.

• Destroy target planeswalker.

, : Target player discards a card. Activate only as a sorcery.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Vigilance

When this creature enters, each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest.

Devoid (This card has no color.)

When this creature enters, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add ."

Whenever another creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Draw two cards, then discard a card.

Flashback costs you pay cost less.

Flashback costs your opponents pay cost more.

At the beginning of combat on your turn, if you control three or more creatures that each have toughness greater than their power, transform this creature.

Tap two untapped Soldiers you control: This creature deals 2 damage to target attacking or blocking creature.

Gain control of target permanent until end of turn. Untap it. It gains haste until end of turn.

Fuse (You may cast one or both halves of this card from your hand.)

, : Search your library for a Mercenary permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.

, : Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

, : Search your library for a Mercenary permanent card with mana value 1 or less, put it onto the battlefield, then shuffle.

Search your library for a Mercenary card, reveal that card, put it into your hand, then shuffle.