Guildpact

Target creature gets +2/+2 and gains trample until end of turn. Draw a card.

Gatherer of Graces gets +1/+1 for each Aura attached to it. Sacrifice an Aura: Regenerate Gatherer of Graces.

Ulasht, the Hate Seed enters the battlefield with a +1/+1 counter on it for each other red creature you control and a +1/+1 counter on it for each ...

Whenever Bioplasm attacks, exile the top card of your library. If it's a creature card, Bioplasm gets +X/+Y until end of turn, where X is the exile...

Enchant green creature Enchanted creature gets +6/+6. {G}{G}{G}, Sacrifice Wurmweaver Coil: Create a 6/6 green Wurm creature token.

{G}, Sacrifice a creature: You gain 1 life.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.) Creatures with power l...

Reach (This creature can block creatures with flying.) As Silhana Starfletcher enters the battlefield, choose a color. {T}: Add one mana of the cho...

Hexproof (This creature can't be the target of spells or abilities your opponents control.) Silhana Ledgewalker can't be blocked except by creatur...

Destroy all enchantments target player controls.

You may have creatures you control assign their combat damage this turn as though they weren't blocked.

This spell can't be countered. Bloodthirst X (This creature enters the battlefield with X +1/+1 counters on it, where X is the damage dealt to you...

If Leyline of Lifeforce is in your opening hand, you may begin the game with it on the battlefield. Creature spells can't be countered.

When Gruul Scrapper enters the battlefield, if {R} was spent to cast it, it gains haste until end of turn.

{R}: Gruul Nodorog gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.) Sacrifice Gristleback:...

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters the battlefield with three +1/+1 counters on it.)

Each land gets +2/+2 as long as it's a creature.

Nonbasic landwalk (This creature can't be blocked as long as defending player controls a nonbasic land.)

Target creature with flying loses flying until end of turn. Crash Landing deals damage to that creature equal to the number of Forests you control.

Enchant creature Creatures you control that are enchanted get +1/+1. Whenever a creature you control that's enchanted becomes blocked, it gets +1...

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.) Creatures with power l...

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

({R/G} can be paid with either {R} or {G}.) {3}{R}, Sacrifice a land: Gruul Guildmage deals 2 damage to target player or planeswalker. {3}{G}: Targ...