Confusion

Search your library for a white card, a blue card, a black card, a red card, and a green card. Reveal those cards, put them into your hand, then sh...

{U}, {T}, Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.

Protection from everything If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library in...

When Sedraxis Alchemist enters the battlefield, if you control a blue permanent, return target nonland permanent to its owner's hand.

{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

Exile target black or red permanent.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 coun...

Create X 1/1 white Soldier creature tokens. If X is 5 or more, destroy all other creatures.

Flying Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/...

Flying

At the beginning of your upkeep, if you control a black permanent, you may put a +1/+1 counter on Bloodhall Ooze. At the beginning of your upkeep, ...

Flying

Flying When Sphinx Summoner enters the battlefield, you may search your library for an artifact creature card, reveal it, put it into your hand, th...

Counter target noncreature spell. Its controller loses 2 life.

When Tukatongue Thallid dies, create a 1/1 green Saproling creature token.

Search your library for a Plains card, an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.

Protection from green

Whenever Infectious Horror attacks, each opponent loses 2 life.

{1}, {T}: Add one mana of any color.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle their...

Trample When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.

Domain — Target creature gets -1/-1 until end of turn for each basic land type among lands you control.

You have no maximum hand size. {T}: Add {C}.