MTG

At the beginning of each player's upkeep, that player puts the top card of their library into their graveyard. Then they create X 1/1 black Minion ...

Celestial Convergence enters the battlefield with seven omen counters on it. At the beginning of your upkeep, remove an omen counter from Celestial...

Whenever Plague Fiend deals combat damage to a creature, destroy that creature unless its controller pays {2}.

Counter target spell unless its controller pays {X}, where X is its converted mana cost.

Creatures you control get +7/+7 until end of turn.

You may discard a Plains card rather than pay this spell's mana cost. Destroy target artifact or enchantment.

Sacrifice a land: Prevent the next 2 damage that would be dealt to any target this turn.

Return two target creature cards from your graveyard to your hand unless any player pays {X}.

Flying, vigilance

Sacrifice a land: Trenching Steed gets +0/+3 until end of turn.

If an opponent controls at least four more creatures than you, this spell costs {6} less to cast. Trample (This creature can deal excess combat dam...

{X}{B}, {T}, Discard two cards: Target player discards X cards at random.

Flash Enchant creature {1}{G}: Regenerate enchanted creature.

Trample

You may discard a Forest card rather than pay this spell's mana cost. Prevent all combat damage that would be dealt by unblocked creatures this turn.

If you have 3 or less life, this spell costs {6} less to cast. Flying Avatar of Hope can block any number of creatures.

Target player discards a card at random. Then that player discards another card at random unless they pay {1}.

{T}, Sacrifice Mine Bearer: Destroy target attacking creature.

Unless any player pays {2}, search your library for a card, put that card into your hand, then shuffle your library.

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

Target creature gets +1/+1 until end of turn. Another target creature gets -1/-1 until end of turn.

Flash Enchant creature Whenever enchanted creature deals combat damage to defending player, you may destroy target artifact that player controls.

Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand.

Reach (This creature can block creatures with flying.) Sacrifice a land: Spitting Spider deals 1 damage to each creature with flying.