Atlantis Hobby

Creature — Phyrexian Beast

{T}, Sacrifice a creature: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Creature — Phyrexian Insect Horror

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Legendary Artifact

{8}, {T}: Search your library for a permanent card, put it onto the battlefield, then shuffle.

Sorcery

Destroy all nonland permanents.

Sorcery

Sacrifice two lands. Search your library for four basic land cards, put them onto the battlefield tapped, then shuffle.

Sorcery

Destroy all nonland creatures. Awaken 4—{5}{W}{W}{W} (If you cast this spell for {5}{W}{W}{W}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Instant

Counter target spell. At the beginning of your next first main phase, add X mana in any combination of colors, where X is that spell's mana value.

Artifact — Equipment

Equipped creature gets +3/+3 and has ward {1}. (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) Equip {3}. This ability costs {1} less to activate for each other Equipment you control. ({3}: Attach to target creature you control. Equip only as a sorcery.)

Creature — Sliver

All Sliver creatures get +0/+1.

Creature — Frog Mutant

Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, 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.)

Instant

Play with Fire deals 2 damage to any target. If a player is dealt damage this way, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Land

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell. {T}: Add one mana of any color among legendary permanents you control. {3}, {T}, Exile this land: Target legendary creature gains hexproof and indestructible until end of turn.

Sorcery

Search your library for up to two enchantment cards, reveal them, put them into your hand, then shuffle.

Instant

Choose one — • Sacrifice any number of creatures. You gain 3 life for each creature sacrificed this way. • Pay any amount of life, then look at that many cards from the top of your library. Put one of those cards into your hand and exile the rest. Entwine {B} (Choose both if you pay the entwine cost.)