MTG

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

Flying Whenever this creature deals damage to a player, that player discards a card.

{3}{G}, {T}: Target creature gets +X/+X until end of turn, where X is the number of artifacts your opponents control.

{U}, {T}: Return target permanent you control to its owner's hand.

Destroy target artifact. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any o...

Jagged Lightning deals 3 damage to each of two target creatures.

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

When an opponent casts an artifact spell, if this permanent is an enchantment, it becomes a 5/3 Soldier creature with trample.

When an opponent casts an enchantment spell, if this permanent is an enchantment, it becomes a 5/5 Treefolk creature.

{T}: Add {C}. Cycling {2} ({2}, Discard this card: Draw a card.)

Partner with Proud Mentor (When this creature enters, target player may put Proud Mentor into their hand from their library, then shuffle.) Wheneve...

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

Flying

Whenever a nontoken creature enters, if this artifact is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

Assist (Another player can pay up to {X} of this spell's cost. You choose the value of X.) Destroy target creature with power X or less.

Defender (This creature can't attack.) Flying Prevent all combat damage that would be dealt to and dealt by this creature.

{7}{R}: This creature deals 5 damage to target player or planeswalker.

This creature enters with two +1/+1 counters on it. {1}{G}, Remove a +1/+1 counter from this creature: Target player searches their library for a b...

This creature enters with X +1/+1 counters on it. {3}: Put a +1/+1 counter on this creature. Any player may activate this ability.

When this creature enters, gain control of target creature an opponent controls with power 2 or less until end of turn. Untap that creature. It gai...

Flying Whenever one or more +1/+1 counters are put on another creature you control, you may put a +1/+1 counter on this creature.

{T}, Sacrifice a creature: Put a charge counter on this artifact. {1}, Sacrifice this artifact: Draw a card for each charge counter on this artifact.

Whenever this creature attacks, choose a card name. Spells with the chosen name cost {1} less to cast this turn.

Partner with Chakram Retriever (When this creature enters, target player may put Chakram Retriever into their hand from their library, then shuffle...