Food Chain

Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.

Gaea's Cradle

{T}: Add {G} for each creature you control.

Bloom Tender

Vivid — {T}: For each color among permanents you control, add one mana of that color.

Drannith Magistrate

Your opponents can't cast spells from anywhere other than their hands.

Birds of Paradise

Sol Ring

Kirol, Attentive First-Year

Tap two untapped creatures you control: Copy target triggered ability you control. You may choose new targets for the copy. Activate only once each turn.

Grand Abolisher

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Rocco, Cabaretti Caterer

When Rocco enters, if you cast it, you may search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Squee, the Immortal

You may cast this card from your graveyard or from exile.

Temur Sabertooth

{1}{G}: You may return another creature you control to its owner's hand. If you do, this creature gains indestructible until end of turn.

Esper Sentinel

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is this creature's power.

Gamble

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.