Awesome Cyber Monday

{T}: Add {C}. {T}, Sacrifice Quicksand: Target attacking creature without flying gets -1/-2 until end of turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Lavaclaw Reaches enters the battlefield tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, Lavaclaw Reaches becomes a 2/2 black and red Ele...

{T}: Add {C}. {4}: Dread Statuary becomes a 4/2 Golem artifact creature until end of turn. It's still a land.

Creeping Tar Pit enters the battlefield tapped. {T}: Add {U} or {B}. {1}{U}{B}: Creeping Tar Pit becomes a 3/2 blue and black Elemental creature un...

Celestial Colonnade enters the battlefield tapped. {T}: Add {W} or {U}. {3}{W}{U}: Until end of turn, Celestial Colonnade becomes a 4/4 white and b...

Landfall — Whenever a land enters the battlefield under your control, you may pay {2}. If you do, draw a card.

Loam Lion gets +1/+2 as long as you control a Forest.

Equipped creature has "{T}, Unattach Razor Boomerang: It deals 1 damage to any target. Return Razor Boomerang to its owner's hand." Equip {2}

Flying When Pilgrim's Eye enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle...

Nonartifact spells cost {1} more to cast.

Equipped creature gets +1/+0 and has flying. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Landfall — Whenever a land enters the battlefield under your control, Hedron Rover gets +2/+2 until end of turn.

Equipped creature gets +2/+0. Whenever equipped creature deals combat damage to a player, you may destroy target Equipment that player controls. Eq...

Islandwalk, swampwalk (This creature can't be blocked as long as defending player controls an Island or a Swamp.) Whenever Wrexial, the Risen Deep ...

Whenever Novablast Wurm attacks, destroy all other creatures.

Enchant land Enchanted land is a 6/4 green Elemental creature. It's still a land. When enchanted land dies, return that card to its owner's hand.

{T}: Target land you control becomes an X/X Elemental creature until end of turn, where X is the number of Allies you control. It's still a land.

When Terastodon enters the battlefield, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way...

As long as you control a Mountain, Summit Apes has menace. (It can't be blocked except by two or more creatures.)

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose target creature, then choose another target crea...

Landfall — Whenever a land enters the battlefield under your control, Snapping Creeper gains vigilance until end of turn.

If a black creature with flying is attacking, you may pay {G} rather than pay this spell's mana cost. Destroy target attacking creature with flying.

You don't lose unspent green mana as steps and phases end. Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have.