Collectish

Artifact

When this artifact enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") {T}: Add one mana of any color.

Artifact Creature — Gnome

Haste {T}: Another target creature gains haste until end of turn.

Creature — Vedalken Detective

When this creature enters, return up to one other target creature to its owner's hand. If you controlled it, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Sorcery

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Sorcery

Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle. Then if you control three or more Deserts, create two 2/2 black Zombie creature tokens.

Sorcery

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Destroy all nontoken creatures.

Enchantment

Start your engines! When this enchantment enters, create a 2/2 black Zombie creature token. Max speed — {1}{B}, Sacrifice this enchantment: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

Artifact

{T}: Add {W}. Put a time counter on this artifact. {T}, Remove X time counters from this artifact and exile it: Return each nonland permanent card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.

Creature — Seal Pirate

Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) When you cycle this card, target creature or Vehicle an opponent controls gets -3/-0 until end of turn.

Creature — Spirit

Flying When this creature enters, each player loses 3 life.

Creature — Beast

Vigilance This creature has haste as long as you own a card in exile that has an Adventure.

Legendary Creature — Elder Dragon

Flying, vigilance, ward {2} Shiva's Aid — When Hraesvelgr enters and whenever you cast a noncreature spell, target creature gets +1/+0 until end of turn and can't be blocked this turn.

Creature — Dinosaur

Vigilance When this creature enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Creature — Goblin

Haste

Artifact Creature — Robot Assassin

Deathtouch

Artifact — Vehicle

Flying When this Vehicle enters, draw two cards. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Creature — Human Druid

{T}: Add one mana of any color. Spend this mana only to cast a creature spell.

Sorcery

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Put a +1/+1 counter on a creature you control.

Enchantment

All creatures lose all abilities and have base power and toughness 1/1.

Creature — Homunculus

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Instant

Put a +1/+1 counter on target creature. Morbid — Put three +1/+1 counters on that creature instead if a creature died this turn.

Creature — Sloth Beast

Reach (This creature can block creatures with flying.) {2}, {T}: Put a +1/+1 counter on this creature.

Creature — Beast

When this creature enters, each other player may put a creature card from their hand onto the battlefield.

Sorcery

Put a +1/+1 counter on target creature you control. Then that creature deals damage equal to its power to target creature you don't control.

Instant

Create a 4/4 green Beast creature token. Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Instant // Sorcery

Creature — Hydra

{X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, create X X/X green Hydra creature tokens.

Creature — Human Warrior

You may exert this creature as it attacks. When you do, target creature gets +X/+X until end of turn, where X is the number of counters on permanents you control. (An exerted creature won't untap during your next untap step.) {2}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)

Artifact — Equipment

Equipped creature gets +3/+1. Void — At the beginning of your end step, if a nonland permanent left the battlefield this turn or a spell was warped this turn, attach this Equipment to target creature you control. Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

Conspiracy

(Start the game with this conspiracy face up in the command zone.) The first creature spell you cast each turn costs {1} less to cast. You can't cast instant or sorcery spells.

Instant

Draw two cards. Then you may discard a nonland card. When you do, Hypothesizzle deals 4 damage to target creature.

Artifact Creature — Food Cat Mutant

{2}, Sacrifice another creature or token: Draw a card. Activate only as a sorcery. {2}, {T}, Sacrifice this creature: You gain 3 life.

Creature — Elemental Ooze

When this creature enters, tap target artifact or creature an opponent controls. Put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Instant

Tiered (Choose one additional cost.) • Blizzard — {0} — Return target creature to its owner's hand. • Blizzara — {2} — Target creature's owner puts it on their choice of the top or bottom of their library. • Blizzaga — {5}{U} — Target creature's owner shuffles it into their library.

Creature — Beast

Trample Landfall — Whenever a land you control enters, this creature gets +1/+0 until end of turn.

Creature — Elemental Soldier

Vigilance Whenever this creature attacks, you may pay {1}{U}. When you do, tap target creature an opponent controls. Whenever you tap an untapped creature an opponent controls, this creature gets +2/+1 until end of turn.