Spooky20

If Leyline of Singularity is in your opening hand, you may begin the game with it on the battlefield. All nonland permanents are legendary.

Counter target nonblue spell.

Enchant creature Creatures you control that are enchanted get +1/+1 and can't be blocked except by creatures with defender.

When Hatching Plans is put into a graveyard from the battlefield, draw three cards.

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}. {R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.

{T}: Add {C}. {3}{W}{B}, {T}: Target player loses 1 life and you gain 1 life.

Orzhov Basilica enters the battlefield tapped. When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand. {T}: A...

Untap all creatures you control. Draw a card.

Flying Haunt (When this creature dies, exile it haunting target creature.) When Belfry Spirit enters the battlefield or the creature it haunts dies...

Creatures you control have trample. {1}{R}{G}: Gruul War Plow becomes a 4/4 Juggernaut artifact creature until end of turn.

{1}, {T}: Add {R}{G}.

Flying When Shrieking Grotesque enters the battlefield, if {B} was spent to cast it, target player discards a card.

({U/R} can be paid with either {U} or {R}.) When Petrahydrox becomes the target of a spell or ability, return Petrahydrox to its owner's hand.

({R/G} can be paid with either {R} or {G}.) Sacrifice Wild Cantor: Add one mana of any color.

Create X 1/1 white Pegasus creature tokens with flying, where X is your life total.

Whenever an opponent casts a spell, that player sacrifices a permanent unless they pay {1}.

Skyrider Trainee has flying as long as it's enchanted.

{T}: Add {C}. {2}{U}{R}, {T}: Exile the top card of your library. Until your next turn, you may cast it if it's an instant or sorcery spell.

Enchant creature Enchanted creature has "{T}: This creature deals damage equal to its power to target attacking or blocking creature."

Izzet Boilerworks enters the battlefield tapped. When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand. {T...

Flying Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn.

Whenever you cast a blue spell, target creature gains flying until end of turn. Whenever you cast a red spell, Tibor and Lumia deals 1 damage to ea...