[+2]: Put two +1/+1 counters or loyalty counters on up to one other target creature or planeswalker. [0]: Cornrose, the Mighty deals 3 damage to target creature. That creature deals damage equal to its power to Cornrose. [–2]: Until end of turn, target creature gets +X/+X and gains trample, where X is its power.
Whenever Crescent Crasher attacks, put a +1/+1 counter on target attacking creature with lesser power.
“Director Alwyn's Over the Moon teaches us one thing above all. There is no distance too far to conquer, and no environment too harsh to endure.” —Percy, Master of Puppets
Whenever Defective Abomination attacks, you may sacrifice a permanent. If you do, put a +1/+1 counter on it. It gains indestructible until end of turn.
Not all endings are tragic, it's not that dramatic.
Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Disastrous Sirocco deals damage to target creature equal to the number of lands you control.
Vanishing 3 (This permanent enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) Remove a time counter from Dwindling Stores: Add one mana of any color.
When Earthbreaker Behemoth enters, it deals damage equal to its power to up to one target creature you don't control. Excess damage is dealt to that creature's controller instead.
Just when you think you're in control and on a roll, Olten surprises you.
Defender, reach {T}, Discard a card: Create a 0/2 red and green Scarecrow creature token with defender and reach. {R}{G}, {T}: Embergourd Scarecrow deals X damage to target player or planeswalker, where X is the number of creatures with defender you control.
Gestalt (When this or another creature enters under your control, you may merge it with the one in play, keeping counters and attachments. They become the permanent on top plus all abilities from under it.) When this creature dies, it deals X damage to target player or planeswalker, where X is the number of cards and tokens merged with it.
Trample Assault {2}{R}{G}(Whenever this attacks, if it has no +1/+1 counters on it, you may pay its assault cost to put a +1/+1 counter on it.) If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.
Whenever a land you control enters, add one mana of any color. Whenever Enraged Fangwurm attacks, you may sacrifice a land. If you do, Enraged Fangwurm deals 2 damage to target player or planeswalker.
Artifacts you control have “{T}: Add one mana of any color.” {2}{R}{G}: Create a 3/2 green Crocodile creature token with trample. It gains haste until end of turn.
[+1]: Add {R} or {G}. [–1]: Fatresya deals 2 damage to target creature. That creature can't block this turn. [–5]: You get an emblem with “Creatures you control get +2/+2 and have haste and trample.”
{1}{R}{G}: Feral Exemplar gets +2/+2 until end of turn. Activate only once each turn. Ferocious — Whenever a creature you control with power 4 or greater attacks, that creature gets +X/+X until end of turn, where X is its power.
Colossal 3—{4}{R}{G}(You may cast this for its colossal cost to have it enter with three +1/+1 counters; or pay {4}{R}{G} as a sorcery: Put three +1/+1 counters on it if it has none.) Each creature you control with a counter on it can't be blocked by more than one creature.
(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.) {3}{R}: Rage The first instant or sorcery spell you cast during your next turn costs {3} less to cast. {3}{G}: Rampage The first permanent spell you cast during your next turn costs {3} less to cast. {2}{R}{G}: Ruin Fury Module gains “Whenever you cast a spell with mana value 5 or greater, you may draw a card.”
Gestalt (When this or another creature enters under your control, you may merge it with the one in play, keeping counters and attachments. They become the permanent on top plus all abilities from under it.) This creature gets +2/+2 and has trample as long as it's merged with another card or token.
When Goriana Earthshaker enters, you may untap target land you control. It becomes a 3/3 Elemental creature with haste until end of turn. It's still a land.
{T}: Create a Treasure token. {W}{U}{B}{R}{G}: Until end of turn, Guardians of Kallian's Tomb becomes a 5/5 Ox artifact creature and gains trample and “Whenever this creature attacks, defending player sacrifices a permanent unless they have you draw two cards.”
Alpha (You may have this creature enter with a +1/+1 counter on it. If you do, it becomes alpha and can only attack alone.) Whenever a creature you control attacks alone, target creature an opponent controls blocks this turn if able.