{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Whenever one or more creature cards leave your graveyard, create a 1/1 black Bat creature token with flying.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

{T}: Mill two cards. {2}, Exile Perpetual Timepiece: Shuffle any number of target cards from your graveyard into your library.

Changeling (This card is every creature type.) {T}: Target creature gains all creature types until end of turn. {T}: Target creature loses all creature types until end of turn.

You may play two additional lands on each of your turns.

Flash When Burrog Befuddler enters the battlefield, target creature an opponent controls gets -1/-0 until end of turn.

Reach (This creature can block creatures with flying.) Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Whenever Fleet Swallower attacks, target player mills half their library, rounded up.

Trample, haste Whenever Froghemoth deals combat damage to a player, exile up to that many target cards from their graveyard. Put a +1/+1 counter on Froghemoth for each creature card exiled this way. You gain 1 life for each noncreature card exiled this way.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

Other green creatures you control get +1/+1. Other blue creatures you control get +1/+1. Untap all green and/or blue creatures you control during each other player's untap step.

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

Graft 3 (This creature enters the battlefield with three +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.) {2}: Target creature with a +1/+1 counter on it gains shroud until end of turn. (It can't be the target of spells or abilities.)

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Trample Whenever a land card is put into your graveyard from anywhere, put a +1/+1 counter on Slogurk, the Overslime. Remove three +1/+1 counters from Slogurk: Return it to its owner's hand. When Slogurk leaves the battlefield, return up to three target land cards from your graveyard to your hand.

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

{2}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Each creature you control with a +1/+1 counter on it has trample.

Enchant land Whenever enchanted land becomes tapped, its controller mills three cards.

Enchant creature When Frog Tongue enters the battlefield, draw a card. Enchanted creature has reach. (It can block creatures with flying.)

Enchant creature When Kenrith's Transformation enters the battlefield, draw a card. Enchanted creature loses all abilities and is a green Elk creature with base power and toughness 3/3. (It loses all other card types and creature types.)

Counter target noncreature spell.

Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Target player mills two cards. Draw a card.

Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1.

({T}: Add {G}.)

Create a token that's a copy of target non-Frog creature, except it's a 1/1 green Frog. Flashback {3}{G}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new target for the copy.) Target player mills half their library, rounded down.

You may play an additional land this turn. Draw a card.

Target player mills X cards. If this spell was cast from a graveyard, that player mills twice that many cards instead. Flashback {X}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player mills five cards.

Reveal the top four cards of your library. Put a creature card from among them into your hand and the rest into your graveyard. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)