Whenever Claes, Shield of Karda attacks, another target attacking creature you control gains indestructible until end of turn.
Whenever a planeswalker you control enters, you may exile Claes, then return him to the battlefield transformed with a number of loyalty counters on him equal to the starting loyalty of that planeswalker.

Choose a color. Exile all permanents of the chosen color. Until the end of your next turn, if you would add {C}, instead add {C} and one mana of the chosen color.

This spell costs {2} less to cast if the creature you control it targets has power 4 or greater.
Put a +1/+1 counter on target creature you control. It deals damage to another target creature equal to its power.

{1}, Sacrifice Claw Fossil: Target creature has base toughness 1 until end of turn. Activate only as a sorcery.
Surface {2}{B}. Claw Fossil surfaces transformed.

Whenever you attack, put a +1/+1 counter on a creature you control.

Haste
{T}: Target creature gains haste until end of turn.
Wander {1}{R}

When Cliffwalker enters, return a permanent you control to its owner's hand.
Wander {1}{W}

Destroy target creature if it has power 3 or less or if you control a creature with flying.

Choose one —
• Exile target enchantment.
• You gain 4 life.
• Acclimate.

Choose one —
• Destroy target artifact or enchantment.
• Return target permanent card from your graveyard to your hand.

Drop — When Club Promoter enters, choose one. If you didn't cast any creature spells during your last turn, you may choose both instead.
• Destroy target artifact or enchantment.
• Put two +1/+1 counters on Club Promoter.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {G} instead.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {B} instead.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {U} instead.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {W} instead.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {R} instead.

When Codename: Ant dies, you may search your library for a card named Codename: Ant, reveal it, put it into your hand, then shuffle.

Codename: Bumblebee enters with a +1/+1 counter and a flying counter on it.
At the beginning of your upkeep, you may move a counter from Codename: Bumblebee onto another creature.

Flying
{1}, {T}: Surveil 1. This ability costs {1} less to activate if you control a blue permanent.

When Codename: Spyder enters, mill three cards.
Whenever one or more cards are put into your graveyard from your library, you may return up to one of those cards to your hand. Do this only once each turn.

When Coercive Contractor enters, create a Treasure token.
{X}, {T}, Sacrifice a Treasure: Gain control of target nontoken creature with mana value X until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.

{T}, Sacrifice an artifact: Add one mana of any type.
Once each turn, when you cast an instant or sorcery spell, you may create a 1/1 colorless Construct artifact creature token.

Enchant creature
When Collector's Item enters, surveil 2.
Enchanted creature loses all abilities and is a colorless Sculpture creature with base power and toughness 0/2.

This spell costs {X} less to cast, where X is your greatest devotion to a single color.
Menace

Vigilance
{T}, Sacrifice a creature: Target creature can't be blocked this turn. Activate only if you control a black permanent.