Super mardi

{3}, {T}: Tap target creature and put a +1/+1 counter on it. Until end of turn, that creature gains "{2}{G}{U}: Double the number of +1/+1 counters...

Experiment Kraj has all activated abilities of each other creature with a +1/+1 counter on it. {T}: Put a +1/+1 counter on target creature.

Gain control of target monocolored creature. Forecast — {1}{U}, Reveal this card from your hand: Target creature becomes the color or colors of you...

White spells you cast cost {1} less to cast. Blue spells you cast cost {1} less to cast. Spells your opponents cast cost {1} more to cast.

At the beginning of your upkeep, sacrifice this creature unless you pay {W}{W}. {W}: The next time a source of your choice would deal damage to you...

({T}: Add {W} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Flying Whenever Isperia deals combat damage to a player, choose a card name. That player reveals their hand. If a card with the chosen name is reve...

When this creature enters, target player shuffles any number of target cards from their graveyard into their library.

{2}, Sacrifice a creature: Lyzolda deals 2 damage to any target if the sacrificed creature was red. Draw a card if the sacrificed creature was black.

Whenever you cast a green creature spell, you may search your library for a creature card, reveal it, then shuffle and put that card on top. Whenev...

{3}, {T}: Target player exiles a card from their hand. Activate only as a sorcery. {1}: Choose a card exiled with this artifact. You may play that ...

{2}{B}, Discard a card: Target opponent loses 1 life and you gain 1 life. Hellbent — {1}, Pay 2 life: Draw a card. Activate only if you have no car...

Graft 4 (This creature enters with four +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature ont...

{T}: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.

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

Flying This creature gets +1/+1 for each other creature on the battlefield with flying. Forecast — {2}{W}{U}, Reveal this creature from your hand: ...

Return up to three target creature cards with mana value 1 or less from your graveyard to the battlefield. Forecast — {5}{W}, Reveal this card from...

Whenever a creature you control dies, you gain life equal to that creature's toughness.

When this creature dies, search your library for any number of creature cards with total mana value 6 or less, put them onto the battlefield, then ...

Enchant opponent Skip your draw step. Whenever enchanted opponent draws a card, you may draw a card.

If a spell or ability would cause its controller to gain life, that player loses that much life instead.

First strike {T}: Reveal your hand and discard a card of target opponent's choice. Then that player reveals their hand and discards a card of your ...

{R}{R}: This creature gains flying until end of turn. {R}: This creature gets +1/+0 until end of turn. Hellbent — This creature has double strike a...

Equipped creature gets +1/+0 for each blood counter on this Equipment and has "{T}, Sacrifice a creature: Put a blood counter on Rakdos Riteknife."...