: Regenerate this creature.
Sacrifice this creature: Target player discards two cards. Activate only during your upkeep.

Return target green card from your graveyard to your hand.

Changeling (This card is every creature type.)
Up to two target creatures each get +2/+0 and gain all creature types until end of turn.

First strike

At the beginning of your end step, if this creature didn't attack this turn, it deals 2 damage to you unless it came under your control this turn.

Choose one —
• Rouse the Party — Creatures you control get +1/+1 until end of turn.
• Set Off Traps — This spell deals 5 damage to target attacking creature.

Flying
: Target attacking or blocking creature gets +1/+1 until end of turn.

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Search your library for a snow land card, put it onto the battlefield tapped, then shuffle.

When this creature dies, target opponent discards a card at random.

Whenever you win a coin flip, create two Treasure tokens. (They're artifacts with ", Sacrifice this token: Add one mana of any color.")
, , Sacrifice another permanent: Flip a coin.

Landfall — Whenever a land you control enters, you may put a quest counter on this enchantment.
Remove three quest counters from this enchantment and sacrifice it: Draw two cards.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Choose one —
• Destroy target nontoken artifact or enchantment an opponent controls. Incubate 2. (Create an Incubator token with two +1/+1 counters on it and ": Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)
• Incubate 2, then transform an Incubator token you control.

Destroy target creature with flying.

Enchant creature
Enchanted creature gets +1/+1 and has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)

Destroy target artifact or enchantment.
Cycling (, Discard this card: Draw a card.)

Target creature gets +4/+3 until end of turn.

All Slivers have ": Regenerate target Sliver."

Whenever this creature becomes blocked, each creature blocking it gets -1/-1 until end of turn.

Enchant creature
Enchanted creature gets -2/-0.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Put two +1/+1 counters on target permanent.
Awaken 4— (If you cast this spell for , also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Flying
At the beginning of your end step, if a permanent you controlled left the battlefield this turn, create a 1/1 white Pegasus creature token with flying.

You may exert this creature as it attacks. When you do, it gets +1/+1 and gains flying until end of turn. (An exerted creature won't untap during your next untap step.)

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters or dies, create a 1/1 red Goblin creature token.

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

Whenever this creature attacks, target creature an opponent controls gets -2/-0 until end of turn.

Cohort — , Tap an untapped Ally you control: You gain 2 life.

Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield under its owner's control."

Return target creature you control and target creature you don't control to their owners' hands.

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

: This creature gets +5/+5 and gains trample until end of turn.

When this artifact enters, draw a card.
, , Sacrifice this artifact: Target creature can't attack or block this turn.

Changeling (This card is every creature type.)
When this creature enters, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.